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SIGTRAN 7 Protocol – IP based network protocol…

January 28, 2011

SIGTRAN is the name, derived from signaling transport, of the former Internet Engineering Task Force (IETF) working group that produced specifications for a family of protocols that provide reliable datagram service and user layer adaptations for Signaling System 7 (SS7) and ISDN Communication protocols. The SIGTRAN protocols are an extension of the SS7 protocol family. It supports the same application and call management paradigms as SS7 but uses an Internet Protocol (IP) transport called Stream Control Transmission Protocol (SCTP). Indeed, the most significant protocol defined by the SIGTRAN group is SCTP, which is used to carry PSTN signaling over IP.

Example of product that uses SIGTRAN 7 protocol is CISCO BTS 10200 Softswitch. Below are the network configuration for Voice over Broadband services:-

Another product that uses SIGTRAN 7 protocol is Huawei’s UMG8900 Universal Media Gateway . Below are the picture and the product specification:-

  • Process capacity: Up to 220,000 VoIP / FoIP channels and 220,000 TDM trunks
  • Configurable as multi-access AMG and TMG
  • Local TDM Switching and stand-alone function
  • Series product capacity: Large, medium and small
  • Interfaces: E1/T1/STM-1, FE/GE, ATM STM-1/E3 and POS STM-1/STM-4
  • Protocols supported: H.248, PRA, R2, SIGTRAN (M2UA, IUA, V5UA) and V5
  • Configurable Jitter Buffer, VAD, CNG, EC, advanced mute detection and CODECs (G.711、G.723、G.729、G.726、AMR、T.38、VBD, etc.)
  • Built-in SG

For your guys information , Media Gateways and Softswitch are often used in NGN (Next Generation Network ) architecture that uses IMS and OpenEPC ( i’ve had discussed about NGN and OpenEPC in my previous blog last year..) . SIGTRAN 7  is rarely used in NGN , but it has it’s advantages and benefitt..In Telecommunication industry , like CELCOM , MAXIS , they used SIGTRAN 7 and SS7 signalling in their telecommunication equipment , mainly i think in their base station and softswicth…

For more info about SIGTRAN , here is the link:-

http://www.sigtran.ss7box.com/

Hope you guys enjoy about the info about SIGTRAN…see you all next week…have a great weekend!..

p/s:- This week there will be a Malaysia IT Fair at MidValley Megamall on 29/1/2011 (Saturday) …Low price for computers , notebooks …etc…Even you can get a Thumb Drive for as low as RM1..really…See you guys there….!..

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