ip-centrex – first phase
DESCRIPTION
IX78 ADSL SIP FW. CDR (MOS) QoS. Ingate SIParator. CDR (MOS) QoS. Servers. IP-Centrex – First phase. Max 2000 calls. QoS being so important for good quality and the MOS score giving a valuable assessment of the quality, some ITSPs standardise and always install an Ingate or an IX78 as CPE. - PowerPoint PPT PresentationTRANSCRIPT
SIP Carrier 2
IX78 ADSL SIP FWCDR (MOS)QoS
IP-Centrex – First phase
Billing / User db
ITSP
Servers
SIP Carrier 1
Ingate SBC Firewall
Internet
FENTCDR (MOS)
Max 2000 calls
PC Softphone
Legacy Firewall
PC Softphone
Simple NAT/FW
The Ingate SBC Firewall, centrally located at the ITSP, will provide protection of the network, routing and interoperability with carriers and IP-PBX as well Far End NAT Traversal (FENT).
Ingate SIParatorCDR (MOS)QoS
Some customers might have advanced firewalls. An Ingate SIParator will then be required for SIP-based communication to traverse the firewall.
QoS being so important for good quality and the MOS score giving a valuable assessment of the quality, some ITSPs standardise and always install an Ingate or an IX78 as CPE.
Avaya CM
Avaya Environment
Avaya Environment
IP-Centrex – Next phase
Billing / User dbITSP
Servers
PC Softphone
Simple NAT/FW
Ingate SIParator
SIP Carrier 1 SIP Carrier 2
PC Softphone
Internet
CDR (MOS)
Legacy Firewall
Max 3x2000 calls (in this example)
Ingate SBC Firewall
CDR (MOS)QoS
DNS SRV load balancing
IX78 ADSL SIP FWCDR (MOS)QoS
As the number of customers grow, capacity requirement increases. A battery of Ingates can be built with load balancing between them achieved on basis of DNS SRV.
Avaya CM
Avaya Environment
Avaya Environment
Reference Case
• GCM - A Service Provider offering Hosted VoIP services, with Ingate and Avaya equipment