[Freeswitch-users] Codec order flipped in proxy-media mode re-INVITE

Jeff Pyle jpyle at fidelityvoice.com
Sat Aug 17 02:56:51 MSD 2013


It seems even with bypass media the codecs are flipped in the reinvite.
 Setting enable-soa=false breaks reinvites for t.38 and such.

FreeSWITCH Version
1.2.11-n20130816T111409Z-1~wheezy+1+git~20130816T135609Z~64ade54a73
(-n20130816T111409Z-1~wheezy+1git 64ade54 2013-08-16 13:56:09Z)


- Jeff



On Thu, Aug 1, 2013 at 3:38 PM, Jeff Pyle <jpyle at fidelityvoice.com> wrote:

> This seems to break other things.  I lose media, possibly when the far end
> sends 200 OK.  I didn't have an opportunity to do much troubleshooting.
>
> I'm working a different approach that includes removing FS from the media
> path altogether.
>
>
> - Jeff
>
>
> On Thu, Jul 25, 2013 at 8:49 AM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> Try enable-soa=false in the Sofia profile to disable any auto parsing.
>> On Jul 25, 2013 6:41 AM, "Jeff Pyle" <jpyle at fidelityvoice.com> wrote:
>>
>>> Hello,
>>>
>>> FreeSWITCH Version 1.3.17+git~20130318T211211Z~2dc3b47db1.  The config
>>> is a basic SBC to handle NAT traversal between public and private
>>> interfaces.  Proxy-media mode is configured.
>>>
>>> Inbound call from carrier hits us with G711u and G729 in the SDP, in
>>> that order.  Inside PBX chooses G711u and call is established.  30 minutes
>>> later the carrier does a session refresh with a re-INVITE with an identical
>>> SDP as the initial INVITE.  When FreeSWITCH the re-INVITE leaves FreeSWITCH
>>> towards the inside PBX, the attached SDP has G711u and G729 are flipped
>>> such that G729 is now preferred.  The PBX accepts the G729 request and the
>>> session switches to G729.
>>>
>>> There are no SDP smarts in the dialplan.  Codecs are not handled at all
>>> by design.
>>>
>>> Is this something that could be caused by a misconfiguration?  Or, is my
>>> next step a jira?
>>>
>>>
>>>
>>> - Jeff
>>>
>>>
>>> _________________________________________________________________________
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>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
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>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
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