[Freeswitch-users] INCOMPATIBLE_DESTINATION

[Anthony Minessale]

Turn up the debug logs and turn on the siptrace and tell them to call you
so you can see the whole thing, then it will be easier to tell.


On Wed, Aug 22, 2018 at 3:15 PM, Paul Muaddib <paul.muaddib83 at gmail.com>
wrote:

> Hi,
>
> It is definitely not a Fax. The guys, who are calling us from this number,
> are actually complaining that we are not reachable. But when we call them
> back the voice call perfectly works. Other Inbound calls are no problem.
>
> Best regards,
> Paul
>
> Am Mi., 22. Aug. 2018 um 21:53 Uhr schrieb Vallimamod Abdullah <
> vma at vallimamod.org>:
>
>> Hi,
>>
>> When there is udptl media type in sdp, freeswitch ignores the audio type.
>> That's why you are getting the codec error (if you don't have t38 enabled.)
>> The caller looks like a fax machine, which explains why you get a direct
>> t38 request and not a reinvite.
>>
>>
>> Best Regards,
>> --
>> Vallimamod Abdullah
>> SIP Solutions
>> vma at sip.solutions
>> linkedin.com/in/vallimamod
>> .
>>
>> On 22 Aug 2018, at 15:55, Paul Muaddib <paul.muaddib83 at gmail.com> wrote:
>>
>> vars.xml
>>
>>   <X-PRE-PROCESS cmd="set" data="global_codec_prefs=PCMA,PCMU"/>
>>   <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMA,PCMU"/>
>>
>> My phones, all Grandstream GXP2140, accept PCMA and PCMU
>>
>> I don't have trouble with other people calling me
>>
>> Am Mi., 22. Aug. 2018 um 15:21 Uhr schrieb Thorsten Göllner <
>> tg-maillistings at level5.de>:
>>
>>> Only PCMA at 8000 is offered. Check device if codec is activated.
>>>
>>> Am 21.08.2018 um 15:06 schrieb Paul Muaddib:
>>>
>>> Hi,
>>>
>>> I have a rarely error where I get this failure message in the log file.
>>> I am bit wondering because this is suposed to be a normal voice call and
>>> not a fax.
>>>
>>> Best regards,
>>> Paul.
>>>
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 2018-08-20 14:04:54.056776 [INFO]
>>> switch_ivr_originate.c:1215 Sending early media
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 2018-08-20 14:04:54.056776 [ERR]
>>> mod_sofia.c:2343 CODEC NEGOTIATION ERROR.  SDP:
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 v=0^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 o=- 20012711 20012711 IN IP4
>>> 217.0.15.67^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 s=on transit^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 c=IN IP4 X.X.X.X^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 t=0 0^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 m=audio 13274 RTP/AVP 8 118 126
>>> 101^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:8 PCMA/8000^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:118 PCMA/8000^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:126 CLEARMODE/8000^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=rtpmap:101 telephone-event/8000^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=fmtp:101 0-15^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=gpmd:118 vbd=yes^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=ptime:20^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 m=image 11232 udptl t38^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=T38FaxVersion:0^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=T38MaxBitRate:14400^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=T38FaxMaxBuffer:3000^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=T38FaxMaxDatagram:500^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=T38FaxRateManagement:
>>> transferredTCF^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 a=T38FaxUdpEC:t38UDPRedundancy^M
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28
>>> fe3eed7c-e03a-40af-bc2e-ae0bfe54bb28 2018-08-20 14:04:54.056776
>>> [NOTICE] switch_channel.c:3515 Hangup sofia/external/+49XXXXXXXXX@
>>> sip-trunk.telekom.de [CS_EXECUTE] [INCOMPATIBLE_DESTINATION]
>>>
>>>
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>
>
> _________________________________________________________________________
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
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>



-- 
Anthony Minessale II
Founder, FreeSWITCH.
http://freeswitch.com


https://youtu.be/l_hOxzCt6X4
https://www.youtube.com/watch?v=oAxXgyx5jUw
https://www.youtube.com/watch?v=9XXgW34t40s
https://www.youtube.com/watch?v=NLaDpGQuZDA
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