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

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Last updated 2013-12-17 (latest revision 2013-06-15)
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SIP already provides the ability to perform hop-by-hop traceroute for SIP messages using the Max-Forwards header field, in order to determine the reachability path of requests to a target. A mechanism for media-loopback calls has also been defined separately, which enables test calls to be generated which 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, in order to test the media path when SIP sessions go through media-relaying B2BUAs.


Hadriel Kaplan (hadriel.kaplan@oracle.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)