smsc technical presentation
DESCRIPTION
SMSC Technical Presentation. Md. Zillur Rahman Deputy Manager(Operation). Short Message Service Center. Supplied by Huawei Developed by Huawei SMSC GT 880150159999 SMSC Point Code 2208. SMSC Features. Mobile Originating Messaging Mobile Terminating Messaging Direct Mode - PowerPoint PPT PresentationTRANSCRIPT
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SMSC Technical Presentation
Md. Zillur RahmanDeputy Manager(Operation)
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Short Message Service Center
Supplied by HuaweiDeveloped by HuaweiSMSC GT 880150159999SMSC Point Code 2208
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SMSC Features
Mobile Originating Messaging
Mobile Terminating Messaging
Direct Mode
Store-and-Forward
Datagram Mode
Text Messaging
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SMSC Features
Concatenated Short MessagesScheduled MessagesMessage ExpiryDelivery ReportsBackground MessagingConfigurable Retry Algorithm
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SMSC Features (Continued)
Black and White ListsAnti Spamming defines maximum number of
messages to a single subscriberOutput Regulation prevents overloading of Signaling
Link Input Protection protects throttling of SMSC by burst of
MO TrafficPriority Messages
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SMSC New Features
SMS over GPRSDistribution ListsMT spamming detectionSMPP 3.4
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SMC in GSM Network
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SMSC Architecture
GSMNetwork SMSC
SIU
SMPP, EMI , SEMA overTCP/ IP or X.25
ESME ESME
Billing System Prepaid SystemOAM System
Huawei USAU
ESME
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SMSC System Architecture
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Shot Message
A message is one of the following: MO to SMSC SMSC to MT SMSC to ESME ESME to SMSC
Message Size- 160 7-bit characters- Concatenated SMS using Multiple Messages with UDH containing segmentation information 153 7-bit characters- Maximum 255 segments (Practically 5-6 segments)
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Message Handling
MO SMSC MT
MO Submit
MO Response(Ack / Error)
MT Deliver
MT Response(Ack / Error)
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Message Handling
MT Errors:
Unknown Subscriber (1)Subscriber Mobile Switched off (24) Tele Service not provisioned (11) Memory Capacity exceeded (32) HLR Does not reply after routing message sent
(41)MSC Does Not reply (48)
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Retry Algorithm
How long SMS will be stored and How many times SMS will be retried is decided by the Retry Algorithm
There is a configurable retry algorithm against each MT error.
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Validity Period Processing
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On-Net SMS DeliveryDhaka MSC
Bogra MSC
8 U
8 U
Site
SCPHLR
MO
MT
SMS-MOSRI
SRI-ACK
SRI
SMS-MT
SMS-MT
SMS-MT
SMS-MO
SRI-ACK
IDP
CON
MT-ACK
MT-ACK
MT-ACK
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Off-Net SMS DeliveryTeletalk MSC
GP MSC
8 U
8 U
Site
SCP
GP HLR
MO
MT
SMS-MOSRI
SRI-ACK
SRI
SMS-MT
SMS-MT
SMS-MT
SMS-MO
SRI-ACK
IDP
CON
GP GMSC
SRI SRI-ACK
MT-ACK
MT-ACK
MT-ACK
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Thank You