SIGTRAN - SIGTRAN Protocols

SIGTRAN Protocols

The SIGTRAN family of protocols includes:

  • Stream Control Transmission Protocol (SCTP), RFC 2960, RFC 3873, RFC 4166, RFC 4960.
  • ISDN User Adaptation (IUA), RFC 4233, RFC 5133.
  • Message Transfer Part 2 (MTP) User Peer-to-Peer Adaptation Layer (M2PA), RFC 4165.
  • Message Transfer Part 2 User Adaptation Layer (M2UA), RFC 3331.
  • Message Transfer Part 3 User Adaptation Layer (M3UA), RFC 4666.
  • Signalling Connection Control Part (SCCP) User Adaptation (SUA), RFC 3868.
  • V5 User Adaptation (V5UA), RFC 3807.
  • DPNSS/DASS2 User Adaption (DUA), RFC 4129

The Stream Control Transmission Protocol provides the transport protocol for SIGTRAN user adaptation layer messages across an IP network. It is described in RFC 3873, RFC 4166 and RFC 4960.

IUA provides an SCTP adaptation layer for the seamless backhaul of Q.921 user messages and service interface across an IP network. Some users that it supports are Q.931 and QSIG. It is specified in RFC 4233.

V5UA provides an SCTP adaptation layer for the seamless backhaul of V5.2 user messages and service interface across an IP network. It is a variation of IUA and is specified in RFC 3807.

M2PA provides an SCTP adaptation layer for providing an SS7 MTP signaling link over an IP network. It is specified in RFC 4165.

M2UA provides an SCTP adaptation layer for the seamless backhaul of MTP Level 2 user messages and service interface across an IP network. It is specified in RFC 3331.

M3UA provides an SCTP adaptation layer for the seamless backhaul or peering of MTP Level 3 user messages and service interface across an IP network. It is specified in RFC 4666.

SUA provides an SCTP adaptation layer for the seamless backhaul or peering of Signalling Connection Control Part user messages and service interface across an IP network. It is specified in RFC 3868.

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