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2014 Edition, November 1, 2014

Complete Document

A Media-Based Traceroute Function for the Session Initiation Protocol (SIP)

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Product Details:

  • Revision: 2014 Edition, November 1, 2014
  • Published Date: November 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Internet Engineering Task Force (IETF)
  • Page Count: 7
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

SIP already provides the ability to perform hop-by-hop traceroute for SIP messages using the Max-Forwards header field to determine the reachability path of requests to a target. A mechanism for medialoopback calls has also been defined separately, which enables test calls to be generated that result in media being looped back to the originator. This document describes a means of performing hop-by-hop traceroute-style test calls using the media-loopback mechanism to test the media path when SIP sessions go through media-relaying backto- back user agents (B2BUAs).