A Taxonomy of Session Initiation Protocol (SIP) Back-to-Back User Agents

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Last updated 2013-04-25 (latest revision 2012-10-22)
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There are numerous types of SIP Back-to-Back User Agents (B2BUAs), performing different roles in different ways. This document identifies several common B2BUA roles, in order to provide taxonomy other documents can use and reference.


Hadriel Kaplan (hkaplan@acmepacket.com)

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