{
  "draft": "draft-ietf-sigtran-rfc3057bis-02",
  "doc_id": "RFC4233",
  "title": "Integrated Services Digital Network (ISDN) Q.921-User Adaptation Layer",
  "authors": [
    "K. Morneault",
    "S. Rengasami",
    "M. Kalla",
    "G. Sidebottom"
  ],
  "format": [
    "TEXT",
    "HTML"
  ],
  "page_count": "73",
  "pub_status": "PROPOSED STANDARD",
  "status": "PROPOSED STANDARD",
  "source": "Signaling Transport",
  "abstract": "This document defines a protocol for backhauling of Integrated Services Digital Network (ISDN) Q.921 User messages over IP using the Stream Control Transmission Protocol (SCTP). This protocol would be used between a Signaling Gateway (SG) and Media Gateway Controller (MGC). It is assumed that the SG receives ISDN signaling over a standard ISDN interface.\n\n This document obsoletes RFC 3057. [STANDARDS-TRACK]",
  "pub_date": "January 2006",
  "keywords": [
    "stream control transmission protocol",
    "sctp",
    "signaling gateway",
    "sg",
    "media gateway controller",
    "mgc",
    "signaling",
    "media",
    "gateway",
    "interface"
  ],
  "obsoletes": [
    "RFC3057"
  ],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [
    "RFC5133"
  ],
  "see_also": [],
  "doi": "10.17487/RFC4233",
  "errata_url": null
}