ltrt-12807 mediant 800 msbg sip user's manual ver 6.6

User's Manual

Version 6.6 August 2012

Document # LTRT-12807

Mediant 800 MSBG

Multi-Service Business Gateway

Session Border Controller

Version 6.6 3 Mediant 800 MSBG

User's Manual Contents

Table of Contents 1 Overview ............................................................................................................ 23

Getting Started with Initial Connectivity ................................................................25

2 Assigning the VoIP LAN IP Address ................................................................ 27 2.1 Web Interface ......................................................................................................... 27 2.2 CLI .......................................................................................................................... 29

3 Assigning Data-Router LAN and WAN IP Addresses ..................................... 31 3.1 Configuring Data-Routing LAN Interface ................................................................ 31

3.1.1 CLI ........................................................................................................................... 32 3.1.2 Web Interface .......................................................................................................... 32

3.2 Configuring Device's DHCP Server ....................................................................... 33 3.3 Assigning a WAN IP Address ................................................................................. 34 3.4 Assign WAN Interface to VoIP Traffic .................................................................... 35 3.5 Configuring Quality of Service ................................................................................ 36

3.5.1 Defining Total WAN Bandwidth ............................................................................... 36 3.5.2 Defining VoIP Tx Traffic Shaping Classes ............................................................... 37 3.5.3 Defining VoIP Traffic Matching Rules ...................................................................... 39

3.6 Configuring Virtual Routing and Forwarding .......................................................... 42 3.7 Enabling Remote HTTP/S Web Management ....................................................... 42 3.8 Reset the Device and Reconnect with WAN .......................................................... 42

Management Tools ..................................................................................................43

4 Introduction ....................................................................................................... 45 5 Web-Based Management .................................................................................. 47

5.1 Getting Acquainted with the Web Interface ............................................................ 47 5.1.1 Computer Requirements .......................................................................................... 47 5.1.2 Accessing the Web Interface ................................................................................... 48 5.1.3 Areas of the GUI ...................................................................................................... 49 5.1.4 Toolbar Description .................................................................................................. 50 5.1.5 Navigation Tree ....................................................................................................... 51

5.1.5.1 Displaying Navigation Tree in Basic and Full View ..................................51 5.1.5.2 Showing / Hiding the Navigation Pane .....................................................52

5.1.6 Working with Configuration Pages .......................................................................... 53 5.1.6.1 Accessing Pages ......................................................................................53 5.1.6.2 Viewing Parameters .................................................................................54 5.1.6.3 Modifying and Saving Parameters ...........................................................55 5.1.6.4 Working with Tables .................................................................................56

5.1.7 Searching for Configuration Parameters ................................................................. 58 5.1.8 Creating a Login Welcome Message ....................................................................... 60 5.1.9 Getting Help ............................................................................................................. 61 5.1.10 Logging Off the Web Interface ................................................................................. 62

5.2 Viewing the Home Page ......................................................................................... 62 5.2.1 Assigning a Port Name ............................................................................................ 65

5.3 Configuring Web User Accounts ............................................................................ 66 5.3.1 Basic User Accounts Configuration ......................................................................... 67

User's Manual 4 Document #: LTRT-12807

Mediant 800 MSBG

5.3.2 Advanced User Accounts Configuration .................................................................. 69 5.4 Displaying Login Information upon Login ............................................................... 72 5.5 Configuring Web Security Settings ........................................................................ 73 5.6 Limiting OAMP Access to a Specific WAN Interface .............................................. 74 5.7 Web Login Authentication using Smart Cards ....................................................... 74 5.8 Configuring Web and Telnet Access List ............................................................... 75 5.9 Configuring RADIUS Settings ................................................................................ 76

6 CLI-Based Management .................................................................................... 77 6.1 Starting a CLI Management Session ..................................................................... 77 6.2 CLI cmdshell Commands ....................................................................................... 79

6.2.1 General Commands ................................................................................................. 80 6.2.2 Configuration Commands ........................................................................................ 82 6.2.3 Test Call (TC) Commands ....................................................................................... 82 6.2.4 Management Commands ........................................................................................ 84 6.2.5 PSTN Commands .................................................................................................... 84 6.2.6 LDAP Commands .................................................................................................... 84

6.3 Configuring TACACS+ for CLI Login ..................................................................... 85

7 SNMP-Based Management ............................................................................... 87 7.1 Configuring SNMP Community Strings .................................................................. 87 7.2 Configuring SNMP Trap Destinations .................................................................... 88 7.3 Configuring SNMP Trusted Managers ................................................................... 89 7.4 Configuring SNMP V3 Users .................................................................................. 90

8 EMS-Based Management .................................................................................. 93 9 TR-069 Based Management .............................................................................. 95

9.1 Overview ................................................................................................................ 95 9.2 Configuring TR-069 ................................................................................................ 98

10 INI File-Based Management .............................................................................. 99 10.1 INI File Format ....................................................................................................... 99

10.1.1 Configuring Individual ini File Parameters ............................................................... 99 10.1.2 Configuring Table ini File Parameters ..................................................................... 99 10.1.3 General ini File Formatting Rules ..........................................................................101

10.2 Loading an ini File ................................................................................................ 101 10.3 Modifying an ini File ............................................................................................. 102 10.4 Secured Encoded ini File ..................................................................................... 102

General System Settings ......................................................................................103

11 Configuring Certificates ................................................................................. 105 11.1 Replacing the Device's Certificate ....................................................................... 105 11.2 Loading a Private Key .......................................................................................... 107 11.3 Mutual TLS Authentication ................................................................................... 108 11.4 Self-Signed Certificates ........................................................................................ 109 11.5 TLS Server Certificate Expiry Check .................................................................... 110

12 Date and Time .................................................................................................. 111 12.1 Configuring Date and Time Manually ................................................................... 111



12.2 Automatic Date and Time through SNTP Server ................................................. 111

13 Configuring Power over Ethernet .................................................................. 113

General VoIP Configuration ..................................................................................115

14 Network ............................................................................................................ 117 14.1 Configuring IP Network Interfaces ....................................................................... 117

14.1.1 Booting using DHCP ..............................................................................................121 14.1.2 Assigning NTP Services to Application Types ......................................................121 14.1.3 Multiple Interface Table Configuration Summary and Guidelines .........................121 14.1.4 Troubleshooting the Multiple Interface Table ........................................................122 14.1.5 Networking Configuration Examples .....................................................................123

14.1.5.1 One VoIP Interface for All Applications ................................................. 123 14.1.5.2 VoIP Interface per Application Type ...................................................... 124 14.1.5.3 VoIP Interfaces for Combined Application Types ................................. 124 14.1.5.4 VoIP Interfaces with Multiple Default Gateways ................................... 125

14.2 Configuring the IP Routing Table ......................................................................... 125 14.2.1 Interface Column ...................................................................................................127 14.2.2 Routing Table Configuration Summary and Guidelines ........................................128 14.2.3 Troubleshooting the Routing Table .......................................................................128

14.3 Configuring Quality of Service .............................................................................. 129 14.4 DNS ...................................................................................................................... 131

14.4.1 Configuring the Internal DNS Table .......................................................................131 14.4.2 Configuring the Internal SRV Table .......................................................................132

14.5 Configuring NFS Settings ..................................................................................... 134 14.6 Network Address Translation Support ................................................................. 136

14.6.1 Device Located behind NAT ..................................................................................136 14.6.1.1 Configuring a Static NAT IP Address for All Interfaces ......................... 137 14.6.1.2 Configuring NAT Translation per IP Interface ....................................... 138

14.6.2 Remote UA behind NAT ........................................................................................139 14.6.2.1 First Incoming Packet Mechanism ........................................................ 140 14.6.2.2 No-Op Packets ...................................................................................... 140

14.7 Robust Receipt of Media Streams ....................................................................... 141 14.8 Multiple Routers Support ...................................................................................... 141

15 Security ............................................................................................................ 143 15.1 Configuring Firewall Settings ............................................................................... 143 15.2 Configuring General Security Settings ................................................................. 147

16 Media ................................................................................................................ 149 16.1 Configuring Voice Settings ................................................................................... 149

16.1.1 Configuring Voice Gain (Volume) Control .............................................................149 16.1.2 Silence Suppression (Compression) .....................................................................150 16.1.3 Echo Cancellation ..................................................................................................150

16.2 Fax and Modem Capabilities ................................................................................ 152 16.2.1 Fax/Modem Operating Modes ...............................................................................153 16.2.2 Fax/Modem Transport Modes ...............................................................................153

16.2.2.1 T.38 Fax Relay Mode ............................................................................ 153 16.2.2.2 G.711 Fax / Modem Transport Mode .................................................... 155 16.2.2.3 Fax Fallback .......................................................................................... 155 16.2.2.4 Fax/Modem Bypass Mode .................................................................... 156 16.2.2.5 Fax / Modem NSE Mode ....................................................................... 157


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16.2.2.6 Fax / Modem Transparent with Events Mode ....................................... 158 16.2.2.7 Fax / Modem Transparent Mode ........................................................... 158 16.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection ............................ 159

16.2.3 V.34 Fax Support ...................................................................................................159 16.2.3.1 Bypass Mechanism for V.34 Fax Transmission .................................... 160 16.2.3.2 Relay Mode for T.30 and V.34 Faxes ................................................... 160 16.2.3.3 V.34 Fax Relay for SG3 Fax Machines ................................................. 161

16.2.4 V.150.1 Modem Relay ...........................................................................................162 16.2.5 V.152 Support ........................................................................................................163 16.2.6 Fax Transmission behind NAT ..............................................................................164

16.3 Configuring RTP/RTCP Settings .......................................................................... 164 16.3.1 Configuring the Dynamic Jitter Buffer ....................................................................164 16.3.2 Comfort Noise Generation .....................................................................................165 16.3.3 Dual-Tone Multi-Frequency Signaling ...................................................................166

16.3.3.1 Configuring DTMF Transport Types ...................................................... 166 16.3.3.2 Configuring RFC 2833 Payload ............................................................ 168

16.3.4 Configuring RTP Base UDP Port ...........................................................................168 16.4 Configuring IP Media Settings .............................................................................. 169

16.4.1 Automatic Gain Control (AGC) ..............................................................................169 16.5 Configuring General Media Settings .................................................................... 170 16.6 Configuring Analog Settings ................................................................................. 171 16.7 Configuring Media Realms ................................................................................... 172

16.7.1 Configuring Quality of Experience per Media Realm ............................................174 16.7.2 Configuring Bandwidth Management per Media Realm ........................................177

16.8 Configuring Server for Media Quality of Experience ............................................ 178 16.9 Configuring Media Security .................................................................................. 180

17 Services ........................................................................................................... 181 17.1 Routing Based on LDAP Active Directory Queries .............................................. 181

17.1.1 Configuring the LDAP Server ................................................................................181 17.1.2 Configuring the Device's LDAP Cache ..................................................................182 17.1.3 Active Directory based Tel-to-IP Routing for Microsoft Lync .................................184

17.1.3.1 Querying the AD and Routing Priority ................................................... 184 17.1.3.2 Configuring AD-Based Routing Rules ................................................... 187

17.2 Least Cost Routing ............................................................................................... 190 17.2.1 Overview ................................................................................................................190 17.2.2 Configuring LCR ....................................................................................................192

17.2.2.1 Enabling the LCR Feature ..................................................................... 193 17.2.2.2 Configuring Cost Groups ....................................................................... 194 17.2.2.3 Configuring Time Bands for Cost Groups ............................................. 195 17.2.2.4 Assigning Cost Groups to Routing Rules .............................................. 196

18 Enabling Applications ..................................................................................... 197 19 Control Network .............................................................................................. 199

19.1 Configuring SRD Table ........................................................................................ 199 19.2 Configuring SIP Interface Table ........................................................................... 201 19.3 Configuring IP Groups .......................................................................................... 204 19.4 Configuring Proxy Sets Table .............................................................................. 212

20 SIP Definitions ................................................................................................. 217 20.1 Configuring SIP Parameters ................................................................................ 217 20.2 Configuring Account Table ................................................................................... 217 20.3 Configuring Proxy and Registration Parameters .................................................. 220



20.3.1 SIP Message Authentication Example ..................................................................221 20.4 Configuring SIP Message Manipulation ............................................................... 223 20.5 Configuring SIP Message Policy Rules ................................................................ 227 20.6 Configuring RADIUS Accounting ......................................................................... 230

21 Coders and Profiles ........................................................................................ 231 21.1 Configuring Coders .............................................................................................. 231 21.2 Configuring Coder Groups ................................................................................... 234 21.3 Configuring Tel Profile .......................................................................................... 235 21.4 Configuring IP Profiles ......................................................................................... 237

Gateway and IP-to-IP Application ........................................................................241

22 Introduction ..................................................................................................... 243 23 IP-to-IP Routing Application ........................................................................... 245

23.1 Theory of Operation ............................................................................................. 246 23.1.1 Proxy Sets .............................................................................................................247 23.1.2 IP Groups ...............................................................................................................247 23.1.3 Inbound and Outbound IP Routing Rules ..............................................................248 23.1.4 Accounts ................................................................................................................248

23.2 IP-to-IP Routing Configuration Example .............................................................. 249 23.2.1 Step 1: Enable the IP-to-IP Capabilities ................................................................251 23.2.2 Step 2: Configure the Number of Media Channels ................................................251 23.2.3 Step 3: Define a Trunk Group for the Local PSTN ................................................252 23.2.4 Step 4: Configure the Proxy Sets ..........................................................................252 23.2.5 Step 5: Configure the IP Groups ...........................................................................254 23.2.6 Step 6: Configure the Account Table .....................................................................255 23.2.7 Step 7: Configure IP Profiles for Voice Coders .....................................................256 23.2.8 Step 8: Configure Inbound IP Routing ...................................................................257 23.2.9 Step 9: Configure Outbound IP Routing ................................................................259 23.2.10 Step 10: Configure Destination Phone Number Manipulation ...............................260

24 Digital PSTN ..................................................................................................... 261 24.1 Configuring Trunk Settings ................................................................................... 261 24.2 TDM and Timing ................................................................................................... 264

24.2.1 Configuring TDM Bus Settings ..............................................................................264 24.2.2 Clock Settings ........................................................................................................264

24.2.2.1 Recovering Clock from PSTN Line Interface ........................................ 264 24.2.2.2 Configuring Internal Clock as Clock Source ......................................... 265

24.3 Configuring CAS State Machines ......................................................................... 265 24.4 Configuring Digital Gateway Parameters ............................................................. 268 24.5 Tunneling Applications ......................................................................................... 269

24.5.1 TDM Tunneling ......................................................................................................269 24.5.1.1 DSP Pattern Detector ............................................................................ 272

24.5.2 QSIG Tunneling .....................................................................................................272 24.6 ISDN Non-Facility Associated Signaling (NFAS) ................................................. 273

24.6.1 NFAS Interface ID ..................................................................................................274 24.6.2 Working with DMS-100 Switches ..........................................................................274 24.6.3 Creating an NFAS-Related Trunk Configuration ...................................................275 24.6.4 Performing Manual D-Channel Switchover in NFAS Group ..................................276

24.7 ISDN Overlap Dialing ........................................................................................... 276


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24.7.1 Collecting ISDN Digits and Sending Complete Number in SIP .............................276 24.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578 ...................277

24.8 Redirect Number and Calling Name (Display) ..................................................... 278

25 Trunk Group .................................................................................................... 279 25.1 Configuring Trunk Group Table ............................................................................ 279 25.2 Configuring Hunt Group Settings ......................................................................... 281

26 Manipulation .................................................................................................... 287 26.1 Configuring General Settings ............................................................................... 287 26.2 Configuring Source/Destination Number Manipulation Rules .............................. 287 26.3 Manipulating Number Prefix ................................................................................. 293 26.4 SIP Calling Name Manipulations .......................................................................... 294 26.5 Configuring Redirect Number IP to Tel ................................................................ 297 26.6 Manipulating Redirected and Diverted Numbers for Call Diversion ..................... 300 26.7 Mapping NPI/TON to SIP Phone-Context ............................................................ 301 26.8 Configuring Release Cause Mapping .................................................................. 303

26.8.1 Fixed Mapping of SIP Response to ISDN Release Reason ..................................304 26.8.2 Fixed Mapping of ISDN Release Reason to SIP Response ..................................306 26.8.3 Reason Header ......................................................................................................308 26.8.4 Mapping PSTN Release Cause to SIP Response ................................................308

26.9 Numbering Plans and Type of Number ................................................................ 309

27 Routing ............................................................................................................. 311 27.1 Configuring General Routing Parameters ............................................................ 311 27.2 Configuring Outbound IP Routing Table .............................................................. 311 27.3 Configuring Inbound IP Routing Table ................................................................. 320 27.4 IP Destinations Connectivity Feature ................................................................... 323 27.5 Alternative Routing for Tel-to-IP Calls .................................................................. 324

27.5.1 Alternative Routing Based on IP Connectivity .......................................................324 27.5.2 Alternative Routing Based on SIP Responses ......................................................326 27.5.3 PSTN Fallback .......................................................................................................327

27.6 Alternative Routing for IP-to-Tel Calls .................................................................. 328 27.6.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................328 27.6.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................329

28 Configuring DTMF and Dialing ....................................................................... 331 28.1 Dialing Plan Features ........................................................................................... 331

28.1.1 Digit Mapping .........................................................................................................331 28.1.2 External Dial Plan File ...........................................................................................333

29 Configuring Supplementary Services ........................................................... 335 29.1 Call Hold and Retrieve ......................................................................................... 337 29.2 Call Pickup ........................................................................................................... 339 29.3 BRI Suspend and Resume ................................................................................... 339 29.4 Consultation Feature ............................................................................................ 340 29.5 Call Transfer ......................................................................................................... 340

29.5.1 Consultation Call Transfer .....................................................................................340 29.5.2 Consultation Transfer for QSIG Path Replacement ..............................................341 29.5.3 Blind Call Transfer .................................................................................................341

29.6 Call Forward ......................................................................................................... 342



29.6.1 Call Forward Reminder Ring .................................................................................343 29.6.2 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................343 29.6.3 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info ..........344 29.6.4 BRI Call Forwarding ...............................................................................................345

29.7 Call Waiting .......................................................................................................... 345 29.8 Message Waiting Indication ................................................................................. 346 29.9 Caller ID ............................................................................................................... 348

29.9.1 Caller ID Detection / Generation on the Tel Side ..................................................348 29.9.2 Debugging a Caller ID Detection on FXO ..............................................................348 29.9.3 Caller ID on the IP Side .........................................................................................349

29.10 Three-Way Conferencing ..................................................................................... 350 29.11 Emergency E911 Phone Number Services .......................................................... 351

29.11.1 FXS Device Emulating PSAP using DID Loop-Start Lines ....................................352 29.11.2 FXO Device Interworking SIP E911 Calls from Service Provider's IP Network to PSAP DID Lines .................................................................................................................354 29.11.3 Pre-empting Existing Calls for E911 IP-to-Tel Calls ..............................................357 29.11.4 Enhanced 9-1-1 Support for Lync Server 2010 .....................................................358

29.11.4.1 About E9-1-1 Services .......................................................................... 358 29.11.4.2 Microsoft Lync Server 2010 and E9-1-1 ................................................ 359 29.11.4.3 AudioCodes ELIN Gateway for Lync Server 2010 E9-1-1 Calls to PSTN 363 29.11.4.4 Configuring AudioCodes ELIN Gateway ............................................... 368

29.12 Multilevel Precedence and Preemption ................................................................ 370 29.12.1 MLPP Preemption Events in SIP Reason Header ................................................372 29.12.2 Precedence Ring Tone ..........................................................................................373

29.13 Denial of Collect Calls .......................................................................................... 373 29.14 Configuring ISDN Supplementary Services ......................................................... 374 29.15 Advice of Charge Services for Euro ISDN ........................................................... 376 29.16 Configuring Voice Mail ......................................................................................... 377

30 Analog Gateway .............................................................................................. 379 30.1 Configuring Keypad Features .............................................................................. 379 30.2 Configuring Metering Tones ................................................................................. 380 30.3 Configuring Charge Codes ................................................................................... 381 30.4 Configuring FXO Settings .................................................................................... 382 30.5 Configuring Authentication ................................................................................... 383 30.6 Configuring Automatic Dialing .............................................................................. 384 30.7 Configuring Caller Display Information ................................................................. 386 30.8 Configuring Call Forward ..................................................................................... 387 30.9 Configuring Caller ID Permissions ....................................................................... 388 30.10 Configuring Call Waiting ....................................................................................... 389 30.11 Rejecting Anonymous Calls ................................................................................. 390 30.12 Configuring FXS Distinctive Ringing and Call Waiting Tones per Source/Destination Number .......................................................................................... 391 30.13 FXS/FXO Coefficient Types ................................................................................. 392 30.14 FXO Operating Modes ......................................................................................... 393

30.14.1 FXO Operations for IP-to-Tel Calls ........................................................................393 30.14.1.1 One-Stage Dialing ................................................................................. 393 30.14.1.2 Two-Stage Dialing ................................................................................. 395 30.14.1.3 DID Wink ............................................................................................... 395

30.14.2 FXO Operations for Tel-to-IP Calls ........................................................................396


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30.14.2.1 Automatic Dialing .................................................................................. 396 30.14.2.2 Collecting Digits Mode........................................................................... 396 30.14.2.3 FXO Supplementary Services ............................................................... 397

30.14.3 Call Termination on FXO Devices .........................................................................398 30.14.3.1 Calls Termination by PBX ..................................................................... 398 30.14.3.2 Call Termination before Call Establishment .......................................... 399 30.14.3.3 Ring Detection Timeout ......................................................................... 399

30.15 Remote PBX Extension between FXO and FXS Devices .................................... 399 30.15.1 Dialing from Remote Extension (Phone at FXS) ...................................................400 30.15.2 Dialing from PBX Line or PSTN .............................................................................400 30.15.3 Message Waiting Indication for Remote Extensions .............................................401 30.15.4 Call Waiting for Remote Extensions ......................................................................401 30.15.5 FXS Gateway Configuration ..................................................................................402 30.15.6 FXO Gateway Configuration ..................................................................................403

Session Border Controller Application................................................................405

31 Introduction ..................................................................................................... 407 32 SBC Overview .................................................................................................. 409

32.1 SIP Network Definitions ....................................................................................... 410 32.2 SIP Dialog Initiation Process ................................................................................ 410 32.3 User Registration and Internal Database ............................................................. 412

32.3.1 Initial Registration Request Processing .................................................................413 32.3.2 Internal Database ..................................................................................................413 32.3.3 Routing using Internal Database ...........................................................................414 32.3.4 Registration Refreshes ..........................................................................................414 32.3.5 Notification of Expired User Registration to SIP Proxy / Registrar ........................414 32.3.6 Registration Restriction Control .............................................................................415

32.4 SBC Media Handling ............................................................................................ 415 32.4.1 Media Anchoring without Transcoding (Transparent) ...........................................416 32.4.2 Media Anchoring with Transcoding .......................................................................417 32.4.3 No Media Anchoring ..............................................................................................419 32.4.4 Transcoding Modes ...............................................................................................420 32.4.5 Restricting Coders .................................................................................................421 32.4.6 Coder Transcoding ................................................................................................421 32.4.7 Prioritizing Coder List in SDP Offer .......................................................................423 32.4.8 SRTP-RTP and SRTP-SRTP Transcoding ...........................................................423 32.4.9 Multiple RTP Media Streams per Call Session .....................................................423 32.4.10 Interworking DTMF Methods .................................................................................424

32.5 Fax Negotiation and Transcoding ........................................................................ 424 32.6 Limiting SBC Call Duration ................................................................................... 425 32.7 SIP Authentication Server for SBC Users ............................................................ 425 32.8 Interworking SIP Signaling ................................................................................... 426

32.8.1 Interworking SIP 3xx Redirect Responses ............................................................426 32.8.1.1 Resultant INVITE Traversing Device .................................................... 426 32.8.1.2 Local Handling of SIP 3xx ..................................................................... 427

32.8.2 Interworking SIP Diversion and History-Info Headers ...........................................428 32.8.3 Interworking SIP REFER Messages ......................................................................428 32.8.4 Interworking SIP PRACK Messages .....................................................................429 32.8.5 Interworking SIP Session Timer ............................................................................429 32.8.6 Interworking SIP Early Media ................................................................................429 32.8.7 Interworking SIP re-INVITE Messages ..................................................................431 32.8.8 Interworking SIP UPDATE Messages ...................................................................432 32.8.9 Interworking SIP re-INVITE to UPDATE ................................................................432



32.8.10 Interworking Delayed Offer ....................................................................................432 32.9 Call Survivability ................................................................................................... 432

32.9.1 Auto-Provisioning of Subscriber-Specific Information for BroadWorks Server for Survivability.........................................................................................................................432 32.9.2 BroadSoft's Shared Phone Line Call Appearance for SBC Survivability...............433 32.9.3 Call Survivability for Call Centers ..........................................................................435 32.9.4 Survivability Mode Display on Aastra IP Phones ..................................................437

32.10 Call Forking .......................................................................................................... 437 32.10.1 Initiating SIP Call Forking ......................................................................................437 32.10.2 SIP Forking Initiated by SIP Proxy Server .............................................................437

32.11 Alternative Routing on Detection of Failed SIP Response ................................... 438

33 SBC Configuration .......................................................................................... 439 33.1 Configuring General Settings ............................................................................... 439 33.2 Configuring Admission Control ............................................................................. 440 33.3 Configuring Allowed Coder Groups ...................................................................... 442 33.4 Routing SBC ........................................................................................................ 443

33.4.1 Configuring Classification Rules ............................................................................444 33.4.1.1 Classification Based on URI of Selected Header Example ................... 448

33.4.2 Configuring Condition Rules ..................................................................................449 33.4.3 Configuring SBC IP-to-IP Routing .........................................................................450 33.4.4 Configuring Alternative Routing Reasons ..............................................................456

33.5 SBC Manipulations ............................................................................................... 457 33.5.1 Configuring IP-to-IP Inbound Manipulations ..........................................................459 33.5.2 Configuring IP-to-IP Outbound Manipulations .......................................................462

Stand-Alone Survivability Application .................................................................467

34 Overview .......................................................................................................... 469 34.1 SAS Operating Modes ......................................................................................... 469

34.1.1 SAS Outbound Mode .............................................................................................470 34.1.1.1 Normal State ......................................................................................... 470 34.1.1.2 Emergency State ................................................................................... 470

34.1.2 SAS Redundant Mode ...........................................................................................471 34.1.2.1 Normal State ......................................................................................... 472 34.1.2.2 Emergency State ................................................................................... 472 34.1.2.3 Exiting Emergency and Returning to Normal State .............................. 472

34.2 SAS Routing ......................................................................................................... 473 34.2.1 SAS Routing in Normal State ................................................................................473 34.2.2 SAS Routing in Emergency State ..........................................................................475

35 SAS Configuration .......................................................................................... 477 35.1 General SAS Configuration .................................................................................. 477

35.1.1 Enabling the SAS Application ................................................................................477 35.1.2 Configuring Common SAS Parameters .................................................................477

35.2 Configuring SAS Outbound Mode ........................................................................ 480 35.3 Configuring SAS Redundant Mode ...................................................................... 480 35.4 Configuring Gateway Application with SAS ......................................................... 481

35.4.1 Gateway with SAS Outbound Mode ......................................................................481 35.4.2 Gateway with SAS Redundant Mode ....................................................................483

35.5 Advanced SAS Configuration ............................................................................... 484


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35.5.1 Manipulating URI user part of Incoming REGISTER .............................................484 35.5.2 Manipulating Destination Number of Incoming INVITE .........................................485 35.5.3 SAS Routing Based on IP-to-IP Routing Table .....................................................488 35.5.4 Blocking Calls from Unregistered SAS Users........................................................493 35.5.5 Configuring SAS Emergency Calls ........................................................................493 35.5.6 Adding SIP Record-Route Header to SIP INVITE .................................................494 35.5.7 Re-using TCP Connections ...................................................................................495 35.5.8 Replacing Contact Header for SIP Messages .......................................................495

35.6 Viewing Registered SAS Users ............................................................................ 496

36 SAS Cascading ................................................................................................ 497

IP Media Capabilities .............................................................................................499

37 Transcoding using Third-Party Call Control ................................................. 501 37.1 Using RFC 4117 ................................................................................................... 501

Data-Router Configuration ....................................................................................503

38 Introduction ..................................................................................................... 505 39 Getting Acquainted with Data Configuration Pages .................................... 507

39.1 Working with Tables ............................................................................................. 507 39.2 Using the Configuration Buttons .......................................................................... 508

40 WAN Access .................................................................................................... 509 40.1 Configuring Ethernet WAN Interface .................................................................... 509 40.2 Configuring SHDSL WAN Interface ..................................................................... 511 40.3 Configuring ADSL/2+ and VDSL2 WAN Interface ............................................... 514 40.4 Configuring 3G/3.5G Cellular WAN Access ......................................................... 515 40.5 Configuring Multiple WAN Backup ....................................................................... 515

41 Firewall and ACL ............................................................................................. 517 41.1 Configuring General Security Settings ................................................................. 518 41.2 Configuring LAN Restrictions ............................................................................... 519 41.3 Configuring Port Forwarding ................................................................................ 520 41.4 Configuring DMZ Host .......................................................................................... 522 41.5 Configuring Port Triggering .................................................................................. 522 41.6 Configuring Website Restrictions ......................................................................... 524 41.7 Configuring NAT ................................................................................................... 524 41.8 Configuring the Access List .................................................................................. 526 41.9 Configuring Advanced Filtering ............................................................................ 529

42 QoS ................................................................................................................... 531 42.1 Configuring General QoS Settings ....................................................................... 531 42.2 Configuring Matching Rules ................................................................................. 531 42.3 Configuring Traffic Shaping .................................................................................. 534 42.4 Configuring DSCP Settings .................................................................................. 537 42.5 Configuring 802.1p Settings ................................................................................. 538



43 VPN ................................................................................................................... 541 43.1 Configuring IPSec ................................................................................................ 541 43.2 Configuring PPTP Server ..................................................................................... 543 43.3 Configuring L2TP Server ...................................................................................... 544 43.4 Creating VPN Users ............................................................................................. 545

44 Data Services ................................................................................................... 549 44.1 Configuring DDNS ................................................................................................ 549 44.2 Configuring DNS Server ....................................................................................... 550 44.3 Configuring DHCP Server .................................................................................... 551

45 Data Routing .................................................................................................... 557 45.1 Configuring General Routing ................................................................................ 557 45.2 Configuring Dynamic Routing .............................................................................. 560

46 Objects and Rules ........................................................................................... 563 46.1 Configuring Protocols ........................................................................................... 563 46.2 Configuring Network Objects ............................................................................... 564

47 Configuring Network Connections ................................................................ 567 47.1 Network Connection Wizard ................................................................................. 568 47.2 LAN Switch ........................................................................................................... 572 47.3 WAN Ethernet ...................................................................................................... 574

47.3.1 Dynamic Host Control Protocol .............................................................................574 47.3.2 Manual WAN IP Address .......................................................................................575 47.3.3 Point-to-Point Protocol over Ethernet (PPPoE) .....................................................576 47.3.4 Cellular 3G .............................................................................................................578

47.4 LAN Bridge ........................................................................................................... 579 47.5 LAN-WAN Bridge ................................................................................................. 580 47.6 Virtual LAN Interface (VLAN) ............................................................................... 580 47.7 Point-to-Point Tunneling Protocol (PPTP) ............................................................ 583 47.8 Point-to-Point Tunneling Protocol Server (PPTP Server) .................................... 587 47.9 Layer 2 Tunneling Protocol (L2TP) ...................................................................... 588 47.10 Layer 2 Tunneling Protocol Server (L2TP Server) ............................................... 593 47.11 Internet Protocol Security (IPSec) ........................................................................ 594 47.12 Internet Protocol Security Server (IPSec Server) ................................................. 600 47.13 General Routing Encapsulation (GRE) ................................................................ 601

47.13.1 GRE Example Scenario .........................................................................................602 47.14 Editing Existing Connections ................................................................................ 604

Maintenance ...........................................................................................................609

48 Basic Maintenance .......................................................................................... 611 48.1 Resetting the Device ............................................................................................ 611 48.2 Locking and Unlocking the Device ....................................................................... 612 48.3 Saving Configuration ............................................................................................ 614


Mediant 800 MSBG

49 Resetting an Analog Channel ........................................................................ 615 50 Software Upgrade ............................................................................................ 617

50.1 Loading Auxiliary Files ......................................................................................... 617 50.1.1 Call Progress Tones File .......................................................................................619

50.1.1.1 Distinctive Ringing ................................................................................. 621 50.1.2 CAS Files ...............................................................................................................623 50.1.3 Dial Plan File ..........................................................................................................623

50.1.3.1 External Dial Plan File ........................................................................... 624 50.1.3.2 Dial Plan Prefix Tags for IP-to-Tel Routing ........................................... 626 50.1.3.3 Obtaining IP Destination from Dial Plan File ......................................... 627 50.1.3.4 Modifying ISDN-to-IP Calling Party Number ......................................... 628

50.1.4 User Information File .............................................................................................629 50.1.4.1 User Information File for PBX Extensions and "Global" Numbers ........ 629 50.1.4.2 User Information File for SBC Users Database .................................... 630

50.2 Loading Software Upgrade Key ........................................................................... 631 50.3 Software Upgrade Wizard .................................................................................... 634 50.4 Backing Up and Loading Configuration File ......................................................... 637

51 Restoring Factory Defaults ............................................................................ 639 51.1 Restoring Defaults using CLI ............................................................................... 639 51.2 Restoring Defaults using Hardware Reset Button ................................................ 640 51.3 Restoring Defaults using an ini File ...................................................................... 640

52 USB Storage Capabilities ............................................................................... 641

Status, Performance Monitoring and Reporting .................................................643

53 System Status ................................................................................................. 645 53.1 Viewing Device Information .................................................................................. 645 53.2 Viewing Ethernet Port Information ....................................................................... 645

54 Carrier-Grade Alarms ...................................................................................... 647 54.1 Viewing Active Alarms .......................................................................................... 647 54.2 Viewing Alarm History .......................................................................................... 647

55 Performance Monitoring ................................................................................. 649 55.1 Viewing MOS per Media Realm ........................................................................... 649 55.2 Viewing Trunk Utilization ...................................................................................... 650 55.3 Viewing Quality of Experience ............................................................................. 651 55.4 Viewing Average Call Duration ............................................................................ 653 55.5 Network Monitoring (Probing) Two Devices ......................................................... 654

56 VoIP Status ...................................................................................................... 657 56.1 Viewing Trunks & Channels Status ...................................................................... 657 56.2 Viewing Analog Port Information .......................................................................... 659 56.3 Viewing NFAS Groups and D-Channel Status ..................................................... 659 56.4 Viewing Active IP Interfaces ................................................................................. 660 56.5 Viewing Performance Statistics ............................................................................ 660 56.6 Viewing Call Counters .......................................................................................... 661 56.7 Viewing Registered Users .................................................................................... 663



56.8 Viewing Registration Status ................................................................................. 664 56.9 Viewing Call Routing Status ................................................................................. 665 56.10 Viewing IP Connectivity ........................................................................................ 666

57 Data Status ...................................................................................................... 669 57.1 Viewing WAN Status ............................................................................................ 669 57.2 Viewing Network Connection Statistics ................................................................ 669 57.3 Viewing Logged Security Events .......................................................................... 670 57.4 Viewing QoS Queues Statistics ........................................................................... 672 57.5 Viewing Logged Data Events ............................................................................... 673

58 Reporting Information to External Party ....................................................... 675 58.1 RTP Control Protocol Extended Reports (RTCP XR) .......................................... 675 58.2 Generating Call Detail Records ............................................................................ 678

58.2.1 Configuring CDR Reporting ...................................................................................678 58.2.2 CDR Field Description ...........................................................................................679

58.2.2.1 CDR Fields for SBC Signaling .............................................................. 679 58.2.2.2 CDR Fields for SBC Media ................................................................... 681 58.2.2.3 CDR Fields for Gateway/IP-to-IP Application ....................................... 682 58.2.2.4 Release Reasons in CDR ..................................................................... 686

58.2.3 Supported RADIUS Attributes ...............................................................................688 58.3 Querying Device Channel Resources using SIP OPTIONS ................................ 692

Diagnostics ............................................................................................................693

59 Syslog and Debug Recordings ...................................................................... 695 59.1 Syslog Message Format ...................................................................................... 695

59.1.1 Event Representation in Syslog Messages ...........................................................696 59.1.2 Unique Device Identification in Syslog Messages .................................................698 59.1.3 Identifying AudioCodes Syslog Messages using Facility Levels ...........................698 59.1.4 SNMP Alarms in Syslog Messages .......................................................................699

59.2 Configuring Syslog Settings ................................................................................. 699 59.3 Configuring Debug Recording .............................................................................. 700 59.4 Filtering Syslog Messages and Debug Recordings ............................................. 701 59.5 Viewing Syslog Messages ................................................................................... 702 59.6 Collecting Debug Recording Messages ............................................................... 704 59.7 Capturing VoIP and Data-Router Network Traffic ................................................ 706

60 Self-Testing ...................................................................................................... 707 61 Analog Line Testing ........................................................................................ 709 62 Testing SIP Signaling Calls ............................................................................ 711

62.1 Configuring Test Call Endpoints ........................................................................... 711 62.1.1 Starting and Stopping Test Calls ...........................................................................714 62.1.2 Viewing Test Call Summary and Statistics ............................................................714 62.1.3 Test Call Configuration Examples .........................................................................716

62.2 Configuring Basic Test Call .................................................................................. 719 62.3 Configuring SBC Test Call with External Proxy ................................................... 719 62.4 Configuring DTMF Tones for Test Calls ............................................................... 722


Mediant 800 MSBG

63 Data-Router Diagnostic Tests ........................................................................ 723 63.1 Running Internet Connectivity Diagnostic Tests .................................................. 723 63.2 Running Diagnostic Tests .................................................................................... 723

Appendix ................................................................................................................725

64 Dialing Plan Notation for Routing and Manipulation .................................... 727 65 SIP Message Manipulation Syntax ................................................................. 729

65.1 Actions ................................................................................................................. 729 65.2 Header Types ....................................................................................................... 729

65.2.1 Accept ....................................................................................................................729 65.2.2 Accept-Language ...................................................................................................730 65.2.3 Allow ......................................................................................................................730 65.2.4 Call-Id.....................................................................................................................730 65.2.5 Contact...................................................................................................................731 65.2.6 Cseq .......................................................................................................................732 65.2.7 Diversion ................................................................................................................732 65.2.8 Event ......................................................................................................................733 65.2.9 Expires ...................................................................................................................734 65.2.10 From .......................................................................................................................735 65.2.11 History-Info ............................................................................................................735 65.2.12 Max-Forwards ........................................................................................................736 65.2.13 Min-Se and Min-Expires ........................................................................................737 65.2.14 P-Asserted-Identity ................................................................................................738 65.2.15 P-Associated-Uri ....................................................................................................738 65.2.16 P-Called-Party-Id ...................................................................................................739 65.2.17 P-Charging-Vector .................................................................................................740 65.2.18 P-Preferred-Identity ...............................................................................................740 65.2.19 Privacy ...................................................................................................................741 65.2.20 Proxy-Require ........................................................................................................742 65.2.21 Reason...................................................................................................................743 65.2.22 Referred-By ...........................................................................................................744 65.2.23 Refer-To .................................................................................................................745 65.2.24 Remote-Party-Id ....................................................................................................745 65.2.25 Request-Uri ............................................................................................................747 65.2.26 Require ..................................................................................................................748 65.2.27 Resource-Priority ...................................................................................................749 65.2.28 Retry-After .............................................................................................................749 65.2.29 Server or User-Agent .............................................................................................750 65.2.30 Service-Route ........................................................................................................750 65.2.31 Session-Expires .....................................................................................................751 65.2.32 Subject ...................................................................................................................752 65.2.33 Supported ..............................................................................................................753 65.2.34 To ...........................................................................................................................754 65.2.35 Unsupported ..........................................................................................................755 65.2.36 User-To-User and X-UserToUser ..........................................................................755 65.2.37 Via ..........................................................................................................................757 65.2.38 Warning .................................................................................................................757 65.2.39 Unknown Header ...................................................................................................758

65.3 Structure Definitions ............................................................................................. 759 65.3.1 Event Structure ......................................................................................................759 65.3.2 Host ........................................................................................................................759 65.3.3 MLPP .....................................................................................................................759 65.3.4 Privacy Struct .........................................................................................................760 65.3.5 Reason Structure ...................................................................................................760



65.3.6 SIPCapabilities ......................................................................................................760 65.3.7 URL ........................................................................................................................761

65.4 Random Type ....................................................................................................... 762 65.4.1 Random Strings .....................................................................................................762 65.4.2 Random Integers ...................................................................................................762

65.5 Wildcarding for Header Removal ......................................................................... 762 65.6 Message Manipulation using SDP Conditions ..................................................... 763 65.7 Message Manipulation using Source and Destination Addresses ....................... 764 65.8 Message Manipulation using Length Conditions .................................................. 765 65.9 Copying Information between Messages using Variables ................................... 765 65.10 Using Regular Expressions (Regex) .................................................................... 766 65.11 Enum Definitions .................................................................................................. 768

65.11.1 AgentRole ..............................................................................................................768 65.11.2 Event Package .......................................................................................................769 65.11.3 MLPP Reason Type ...............................................................................................769 65.11.4 Number Plan ..........................................................................................................769 65.11.5 NumberType ..........................................................................................................770 65.11.6 Privacy ...................................................................................................................770 65.11.7 Reason (Diversion) ................................................................................................770 65.11.8 Reason (Reason Structure) ...................................................................................771 65.11.9 Reason (Remote-Party-Id) .....................................................................................773 65.11.10 Refresher ..........................................................................................................773 65.11.11 Screen ..............................................................................................................773 65.11.12 ScreenInd .........................................................................................................774 65.11.13 TransportType ..................................................................................................774 65.11.14 Type ..................................................................................................................774 65.11.15 User-To-User and X-UserToUser .....................................................................775

65.12 Actions and Types ................................................................................................ 775 65.13 Syntax .................................................................................................................. 780

65.13.1 Message Type .......................................................................................................780 65.13.2 Condition ................................................................................................................781 65.13.3 Action Subject ........................................................................................................782 65.13.4 Action Type ............................................................................................................784 65.13.5 Action Value ...........................................................................................................784

66 Configuration Parameters Reference ............................................................ 785 66.1 Networking Parameters ........................................................................................ 785

66.1.1 Multiple VoIP Network Interfaces and VLAN Parameters .....................................785 66.1.2 Routing Parameters ...............................................................................................786 66.1.3 Quality of Service Parameters ...............................................................................786 66.1.4 NAT and STUN Parameters ..................................................................................787 66.1.5 NFS Parameters ....................................................................................................788 66.1.6 DNS Parameters ....................................................................................................789 66.1.7 DHCP Parameters .................................................................................................789 66.1.8 NTP and Daylight Saving Time Parameters ..........................................................790 66.1.9 Power over Ethernet Parameters ..........................................................................791

66.2 Management Parameters ..................................................................................... 792 66.2.1 General Parameters ..............................................................................................792 66.2.2 Web Parameters ....................................................................................................793 66.2.3 Telnet Parameters .................................................................................................795 66.2.4 SNMP Parameters .................................................................................................796 66.2.5 CLI Parameters ......................................................................................................799 66.2.6 TR-069 Parameters ...............................................................................................799 66.2.7 Serial Parameters ..................................................................................................801


Mediant 800 MSBG

66.3 Debugging and Diagnostics Parameters .............................................................. 802 66.3.1 General Parameters ..............................................................................................802 66.3.2 SIP Test Call Parameters ......................................................................................803 66.3.3 Syslog, CDR and Debug Parameters ....................................................................804 66.3.4 Resource Allocation Indication Parameters...........................................................808

66.4 Security Parameters ............................................................................................. 809 66.4.1 General Parameters ..............................................................................................809 66.4.2 HTTPS Parameters ...............................................................................................810 66.4.3 SRTP Parameters ..................................................................................................811 66.4.4 TLS Parameters .....................................................................................................814 66.4.5 SSH Parameters ....................................................................................................815 66.4.6 OCSP Parameters .................................................................................................817

66.5 RADIUS Parameters ............................................................................................ 817 66.6 SIP Media Realm Parameters .............................................................................. 820 66.7 Control Network Parameters ................................................................................ 822

66.7.1 IP Group, Proxy, Registration and Authentication Parameters .............................822 66.7.2 Network Application Parameters ...........................................................................833

66.8 General SIP Parameters ...................................................................................... 834 66.9 Coders and Profile Parameters ............................................................................ 861 66.10 Channel Parameters ............................................................................................ 867

66.10.1 Voice Parameters ..................................................................................................867 66.10.2 Coder Parameters .................................................................................................869 66.10.3 DTMF Parameters .................................................................................................870 66.10.4 RTP, RTCP and T.38 Parameters .........................................................................872

66.11 Gateway and IP-to-IP Parameters ....................................................................... 876 66.11.1 Fax and Modem Parameters .................................................................................876 66.11.2 DTMF and Hook-Flash Parameters .......................................................................883 66.11.3 Digit Collection and Dial Plan Parameters .............................................................888 66.11.4 Voice Mail Parameters ...........................................................................................890 66.11.5 Supplementary Services Parameters ....................................................................896

66.11.5.1 Caller ID Parameters ............................................................................. 896 66.11.5.2 Call Waiting Parameters ........................................................................ 900 66.11.5.3 Call Forwarding Parameters ................................................................. 902 66.11.5.4 Message Waiting Indication Parameters ............................................... 904 66.11.5.5 Call Hold Parameters ............................................................................ 906 66.11.5.6 Call Transfer Parameters ...................................................................... 907 66.11.5.7 Three-Way Conferencing Parameters .................................................. 909 66.11.5.8 MLPP and Emergency Call Parameters ............................................... 911 66.11.5.9 Call Cut-Through Parameters ............................................................... 916 66.11.5.10 Automatic Dialing Parameters ......................................................... 917 66.11.5.11 Direct Inward Dialing Parameters .................................................... 918 66.11.5.12 ISDN BRI Parameters ..................................................................... 919

66.11.6 PSTN Parameters ..................................................................................................920 66.11.6.1 General Parameters .............................................................................. 920 66.11.6.2 TDM Bus and Clock Timing Parameters ............................................... 925 66.11.6.3 CAS Parameters ................................................................................... 927 66.11.6.4 ISDN Parameters .................................................................................. 930

66.11.7 ISDN and CAS Interworking Parameters ..............................................................937 66.11.8 Answer and Disconnect Supervision Parameters .................................................951 66.11.9 Tone Parameters ...................................................................................................956

66.11.9.1 Telephony Tone Parameters ................................................................. 956 66.11.9.2 Tone Detection Parameters .................................................................. 963 66.11.9.3 Metering Tone Parameters ................................................................... 964

66.11.10 Telephone Keypad Sequence Parameters ..........................................

ltrt-12807 mediant 800 msbg sip user's manual ver 6.6

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