[Freeswitch-users] SIP Re-invite

DJB djbinter at yahoo.com
Wed Dec 16 17:00:11 PST 2009

Call-ID are the same for 1st, 2nd, and 3rd INVITE.  The only thing I saw difference was the Via Branch value.  Would that be a problem, since 1st and 2nd INVITE was also different and was okay.

Is there any other values that I should look at?  

Thank you.

From: Anthony Minessale <anthony.minessale at gmail.com>
To: freeswitch-users at lists.freeswitch.org
Sent: Wed, December 16, 2009 3:42:48 PM
Subject: Re: [Freeswitch-users] SIP Re-invite

that means the invite is not matching the call dialog
compare the via tags and call-id etc

On Wed, Dec 16, 2009 at 5:29 PM, DJB <djbinter at yahoo.com> wrote:

>have a customer that we are sending calls to off the FS and here is the issue: 
>is initially setup fine and they send a first re-invite with media to
>place the caller on hold. FS sends a 200 ok to this first re-invite fine 
>then send a second re-invite with their media IP to cut through media and the
>FS sends a 200 OK to this fine. At this point the call is fine 
>minutes later they send a third re-invite because according to them it is
>strictly for the purpose of “keep alive” per RFC 4028. This third re-invite has
>the exact same media IP and UDP pot information as the second re-invite does.
>The problem is FS does not respond to this third re-invite AT ALL. It doesn’t
>send a 100 trying a 200 OK nothing so this causes the call to be dropped as the
>other end does not recieve a response from FS.  
>One more thing, we did not see the third re-invite in sofia siptrace, but we do see it in ethereal, which is kind of odds.
>We are running FreeSWITCH Version 1.0.trunk (15979) in bypass media mode.
>Thank you very much.
>>FreeSWITCH-users mailing list
>FreeSWITCH-users at lists.freeswitch.org

Anthony Minessale II

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