[Asterisk-Users] Delay ReInvite

[Olle E. Johansson]

Luki wrote:
> Hi all,
> 
> this is probably a asterisk-devel question but I'll try it here first.
> 
> Is there a way to delay a ReInvite on SIP? I have an issue where my
> provider's server is only ~1 ms RTT away and for about 1/3 of the
> incoming calls I get a "482 Loop Detected" error because the ReInvite
> is processed by the calling server before the ACK packet on Answer().
> Asterisk ReInvites right after answering and both packets leave my end
> virtually simultaneously (within 0.1 ms based on time stamp in
> tcpdump). I looked at the code in CVS and the 482 Loop Detected
> message is sent back when an Invite comes in with a call ID of a
> pending outgoing invite that has not yet been answered (at least this
> is how I understand it) -- and in this case it would be a loop.
> 
> It's not a major issue because the calling end re-tries the Invite in
> a second and then it usually works. This is quite reproducible on my
> setup and I can provide tcpdump captures if anyone has some ideas.
> 
Which version of Asterisk are you using? I have a vague memory of fixing
this in CVS head, but I might be wrong. Can't really check here, sorry.
Test with CVS head, and if you still have problems please open a bug
report in the bug tracker at bugs.digium.com with the call trace.

THank you.
/Olle