[SIPForum-discussion] About branch and tag id in sip header

Asha Pillai asha.g.pillai at gmail.com
Mon Aug 13 12:04:44 UTC 2007

I just want to know wat is the basic difference between tah branch id and
call id.

also in rfc its written that during registration between UAC and registrar
always call id is unique for that combination.Is it like that for only
REGISTER message
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