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Title : Best Current Practices for a Session Initiation Protocol (SIP) Transparent Back-To-Back User-Agent (B2BUA)
Author(s) : X. Marjou, et al.
Filename : draft-marjou-sipping-b2bua-01.txt
Pages : 31
Date : 2007-7-23
A SIP Back-To-Back User Agent (B2BUA) refers to the concatenation of
a SIP User Agent Client (UAC) and a SIP User Agent Server (UAS). A
transparent B2BUA is a particular type of B2BUA that forwards SIP
messages in a SIP proxy-like way, and that also benefits from some
features of a User Agent (UA) element. This document recommends best
current practices for the implementation of such a transparent B2BUA.
Developing transparent B2BUAs that meet this set of requirements will
greatly increase the likelihood that SIP applications will function
properly.
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