[Freeswitch-users] Re-invite Glare issue - FS ending call

Michael Jerris mike at jerris.com
Thu Jun 8 15:20:29 UTC 2017


the 491 is in response to their re-invite, in which we are the UAS.  For
our re-invite we send we are UAC.

On Thu, Jun 8, 2017 at 5:41 AM Jason Bedward <mase2hot at gmail.com> wrote:

> Looking again as this according to RFC 3261 Freeswitch is doing this wrong?
>
> For the B leg my FS is the UAC, and if so when the invite comes in from
> the B leg it shouldn't respond 491 as that should only be done from the
> UAS.
>
> Unless I'm wrong with this?
>
> On Thu, Jun 8, 2017 at 8:14 AM, Jason Bedward <mase2hot at gmail.com> wrote:
>
>> My provider is sending the reinvite on the A leg FS the sends this on to
>> the B leg. At same time the B leg provider sends a reinvite.
>>
>> I dont believe FS is sending the reinvite on its own accord. Its only
>> because of the A leg and that we are using bypass media. So I dont think
>> session timers will make a difference.
>>
>> FYI A leg and B leg provider are the same company although different
>> servers.
>>
>> On 7 Jun 2017 16:57, "Michael Jerris" <mike at jerris.com> wrote:
>>
>>> why are they both sending a re-invite at the same time?  This is called
>>> glare, we seem to be handling it properly, the provider seems not to be.
>>> The easiest fix here is probably to figure out why we are both sending
>>> re-invite at the same time, maybe session timers and the provider is broken
>>> and trying to send it when we said we would.
>>>
>>> On Jun 7, 2017, at 11:49 AM, Jason Bedward <mase2hot at gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> I have an issue with re-invites on some calls. I'm using 1.6.15 and
>>> these calls are using bypass media. I have Kamailio as inbound SBC but FS
>>> connecting directly to my provider for B leg.
>>>
>>>
>>>    - After 5 minutes plus on some calls my provider sends re-invite on
>>>    A leg
>>>    - FS then sends this re-invite to the B leg
>>>    - At the same time the B leg sends a Re-invite
>>>    - FS replys 491
>>>    - B leg provider replys 100, then 500 (with retry in the 500)
>>>    - FS send ACK and then BYE
>>>
>>> Not sure what setting I need to change or can change infact to either
>>> retry the invite in accordance with the 500 retry request. Or something
>>> else to stop the call ending...
>>>
>>> <image.png>
>>>
>>> Thanks
>>>
>>>
>>> _________________________________________________________________________
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>>>
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
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>>>
>>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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