On 10/12/06, Martin Gignac <[EMAIL PROTECTED]> wrote:

Yeah, I'm familiar with 3261. However the SIP proxy that 3261 talks
about has a completely different function than what an ALG/SBC does.
Maybe I shouldn't have used the term "SIP proxy" in my previous
e-mails. My bad.

I don't know if it'll make things any clearer (I doubt it), but you
could compare the SIP proxy in RFC 3261 as a combination HSS/CSCF in
3GPP IMS (IP Multimedia Subsystem) parlance whereas the ALG/SBC
performs the function of an I-BCF/I-BGF (man, who thinks up all of
these acronyms).

 http://en.wikipedia.org/wiki/IP_Multimedia_Subsystem

 http://www.dataconnection.com/sbc/imsarch.htm

-Martin

--
"Suburbia is where the developer bulldozes out the trees, then names
the streets after them."

                                                  --Bill Vaughan

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