Re: [Sip] sip-session-timer-11: why explicitly impose proxyrestrictions on all the b2bua's

[Cullen Jennings <fluffy@cisco.com>]

On 9/4/03 12:49 PM, "Brett Tate" <brett@broadsoft.com> wrote:

> Why does draft-ietf-sip-session-timer-11
> explicitly impose proxy related restrictions
> on all the B2BUA's?
> 
> I agree that some of the proxy concepts are
> good recommendations for some types of B2BUA's;
> however they definitely do not apply to all
> types of B2BUA's.
> 
> And in general, I am surprised to see
> any draft explicitly requiring a B2BUA to act
> like a proxy.  Some B2BUA's act completely like
> a UA; others act mostly like a proxy; and others
> act at various degrees between a proxy and UA.

In fact one of the most common B2BUA in use, a GW connected to the PSTN
connected to a GW, never looks like a proxy.

> 
> 
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