[Freeswitch-users] INCOMPATIBLE_DESTINATION - GSM (L16) to User

[Giovanni Maruzzelli]

Thanks Ken,

I emended the documentation with your explanation:

https://freeswitch.org/confluence/display/FREESWITCH/Codec+Negotiation#CodecNegotiation-IncompatibleDestination


On Fri, Jul 15, 2016 at 12:14 AM, Ken Rice <krice at freeswitch.org> wrote:

> This new variable is required with 1.6 and later due to webrtc support and
> the ever growing SDP when SIP over UDP is involved.
>
>
>
> SDPs have now reached the point where it is becoming harder and harder to
> translate from WebRTC -> SIP and keep the original SDP due to the shear
> size of the SDP. With SIP over UDP, when packet fragmentation happens, it
> destroys the SIP packet as UDP does not auto-reassemble the fragments… this
> happens once your sip packets exceed MTU… the only fix is small packets.
> That means compact headers, eliminating extra headers, or  just don’t use
> such a big SDP by eliminating CODECs you don’t need.
>
>
>
> The affect with FS is if you don’t have media_mix_inbound_outbound_codecs
> set to true, only codecs offered to FS on the A leg are passed to the B
> leg, this reduces the size of the SDP and has the side effect of greatly
> reducing the amount of transcoding.
>
>
>
>
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Luiz
> Fernando Softov
> *Sent:* Thursday, July 14, 2016 5:10 PM
>
> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> *Subject:* Re: [Freeswitch-users] INCOMPATIBLE_DESTINATION - GSM (L16) to
> User
>
>
>
> Yeah, i put media_mix_inbound_outbound_codecs =true in vars.xml and it's
> working...
>
> I was using FS 1.4 and 1.5, this was working fine, no problem.
>
> When i clone 1.7, this happen...
>
> Now this is fine, thanks a lot.
>
>
>
> 2016-07-14 17:45 GMT-04:00 Ken Rice <krice at freeswitch.org>:
>
> He’s looking for media_mix_inbound_outbound_codecs the incoming codec from
> the inbound GSMopen channel is L16… so that gets sent out because he
> doesn’t have media_mix_inbound_outbound_codecs set to true… see
> https://freeswitch.org/confluence/display/FREESWITCH/Codec+Negotiation
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Giovanni
> Maruzzelli
> *Sent:* Thursday, July 14, 2016 4:41 PM
> *To:* FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> *Subject:* Re: [Freeswitch-users] INCOMPATIBLE_DESTINATION - GSM (L16) to
> User
>
>
>
> Yes, this is because of codecs.
>
> Have you edited vars.xml ?
>
> You are sending out a nonexisting codec (L16)...
>
> Please put vars.xml and all codec related configurations back to their
> original value.
>
> No need to touch them at all for gsmopen to work.
>
> -giovanni
>
>
>
> On Thu, Jul 14, 2016 at 11:29 PM, Luiz Fernando Softov <
> fernando at softov.com.br> wrote:
>
> Hi, I'm trying to make a call between GSMOpen (GSM) and a user (or a
> group, it's the same).
>
> But I receive a 488 INCOMPATIBLE_DESTINATION
>
> I'm thinking this is because the codec negotiation.
>
> My profile:
>
> https://pastebin.freeswitch.org/view/2f8a0f95
>
> My FS LOG
>
> https://pastebin.freeswitch.org/view/f6fc8bac
>
>
> Please, someone know how to solve this?
>
>
> _________________________________________________________________________
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>
>
>
>
> --
>
> Sincerely,
>
> Giovanni Maruzzelli
> Cell : +39-347-2665618
>
>
> _________________________________________________________________________
> 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
>
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>



-- 
Sincerely,

Giovanni Maruzzelli
Cell : +39-347-2665618
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