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SIGTRAN

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SIGTRAN is the name given to an IETF working group that produced specifications for a family of protocols that provide reliable datagram service and user layer adaptations for SS7 and ISDN communications protocols. The most significant protocol defined by the SIGTRAN group was the Stream Control Transmission Protocol (SCTP), which is used to carry PSTN signalling over IP.

The SIGTRAN group was significantly influenced by telecommunications engineers intent on using the new protocols for adapting VoIP networks to the PSTN with special regard to signaling applications. Recently, SCTP is finding applications beyond its original purpose wherever reliable datagram service is desired.

External links

  • sigtran.org - information about the protocols, implementations, test results, applications, products, and services.
  • openss7.org - open source implementations of SIGTRAN protocols.
  • Linkbit, Inc. - Linkbit SIGTRAN message decoder

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