[pjsip] reinvite causes assertion failure

Benny Prijono bennylp at teluu.com
Thu Oct 8 04:15:56 CDT 2009


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



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