[Freeswitch-users] B-Leg / A-Leg Race Condition

[SamyGo]

Hi,
Can you please manage a proper sip trace for this ! I'd really love to
troubleshoot and analyse the sip traces.
What is the equipment on your A-leg ?

BR
Sammy



On Fri, Aug 31, 2012 at 3:28 AM, Mike Burlingame <mike.burlingame at me.com>wrote:

> I would like to add an update to this and maybe someone has some other
> suggestions - It does look like that FS is disconnecting the call with
> cause code 31  [NORMAL_UNSPECIFIED] I did not notice the time stamp
> difference on the Bye when I first looked at the log's
>
> The basis of the issue still stands a 491 Results in the B-Leg being
> disconnected
>
> On Aug 24, 2012, at 12:53 PM, Mike Burlingame <mike.burlingame at me.com>
> wrote:
>
> We are seeing some instances when we send a invite from the B-Leg back to
> FS and FS passes the invite to the A-Leg that the dialog on the A-Leg has
> not fully completed yet causing a return of a 491 from the A-Leg side
> causing the call to be disconnected. wanted to see if anyone else has seen
> something like this while running FS and if anyone had any suggestions on a
> fix?
>
> A-Leg
> Invite into Freeswitch
> 100 Trying back from FS to A-Leg
> 180 Ringing from FS to A-Leg
> 200 OK from FS to A-Leg at 15:08:14.638799
> Invite from FS to A-Leg (From B-Leg below) at 15:08:14.749515
> 100 Giving a try form A-Leg to FS at 15:08:14.749757
> 491 From A-Leg to FS at 15:08:14.780968
> ACK from FS to A-Leg at 15:08:14.781102
> ACK from FS to A-Leg at 15:08:14.797143
> BYE from A-LEG to FS 15:11:10.791963
>
>    481 Call Does Not Exist back to A-LEG
>
>
> B-Leg
> Invite from Freeswitch to B-Leg
> 100 Giving a try from B-Leg
> 180 Ringing from B-Leg
> 200 OK  from B-Leg at 15:08:14.635670
> ACK from FS to B-Leg  at 15:08:14.637044
> Invite from B-Leg to FS at 15:08:14.748623
> 100 Trying from FS to B-Leg at 15:08:14.748954
> 491 from FS to B-Leg at 15:08:14.782169
> ACK from B-Leg to FS at 15:08:14.782372
> BYE from FS to B-Leg at 15:08:14.790714 with Cause Code 31
>
>
>
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