On Thu, Oct 8, 2009 at 4:02 PM, Daniel Nanassy <Daniel.Nanassy at ygomi.com> wrote: > Yes, Asterisk sends the re-INVITE with the same Via branch. > Here is a short excerpt from the RFC-3261 (SIP): > > 8.1.1.7 Via > ... > The branch parameter value MUST be unique across space and time for > all requests sent by the UA. ?The exceptions to this rule are CANCEL > and ACK for non-2xx responses. ?As discussed below, a CANCEL request > will have the same value of the branch parameter as the request it > cancels. ?As discussed in Section 17.1.1.3, an ACK for a non-2xx > response will also have the same branch ID as the INVITE whose > response it acknowledges. > ... > > Do you think Asterisk should send re-INVITE with another branch? Absolutely. Cheers Benny
