Subject: RE: [Sip] B2BUA

From: [email-masked]
Date: Mon, 2 Dec 2002 14:39:14 +0100

Dean et al,

The main reason to propose this definition is to clearly precise that User
Agents being involved in a B2BUA are "linked by some application logic that
is fully independent of the SIP protocol rules"
This is currently not precised in RFC 3261, and sometimes brings confusion
on what can or cannot be done by a B2BUA.

Best regards
Juan Carlos

"Dean Willis" <[email-masked]> on 30/11/2002 05:02:10

To:   Juan-Carlos ROJAS/FR/ALCATEL@ALCATEL, <[email-masked]>
cc:
Subject:  RE: [Sip] B2BUA

Juan-Carlos said:
> Back-to-Back User Agent: A SIP element being able to handle a
> collection of "n" User Agents (behaving each one as UAC and
> UAS, according to SIP rules), which are linked by some
> application logic that is fully independent of the SIP protocol rules.

This seems like a reasonable definition.

Poll: Would it be worth including this in 3261bis? Do we need to say
N>1?

--
Dean

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