[Freeswitch-users] gsmopen problem: INCOMPATIBLE_DESTINATION

[Nandy Dagondon]

I installed version 1.7.  Somehow I got a tip to use absolute_codec_string
in my dialplan.  "set"ting failed.  Realizing that non-L16 codecs has to be
in B-leg,  "export"ing absolute_codec_string worked.  I'll try your
suggestion because the variable is new to me.  Thanks!

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On Thu, Feb 25, 2016 at 7:55 PM, Ítalo Rossi <italo at freeswitch.org> wrote:

> What version are you using? Try setting
> media_mix_inbound_outbound_codecs=true
>
> On Tue, Feb 23, 2016 at 12:23 AM, Nandy Dagondon <nandy1925 at gmail.com>
> wrote:
>
>> Hello guys,
>>
>> I installed mod_gsmopen. When testing incoming call, it hangs up with
>> this error message INCOMPATIBLE_DESTINATION.  I understand this is a codec
>> negotiation issue.
>>
>> Looking at the CDR - the gsmopen presented L16 8000 in the SDP.  By
>> default, FS does early negotiation.
>>
>> Snippet of my internal sip_profile:
>> <param name="inbound-codec-prefs" value="$${global_codec_prefs}"/>
>> <param name="outbound-codec-prefs" value="$${global_codec_prefs}"/>
>> <param name="rtp-timer-name" value="soft"/>
>> <param name="rtp-ip" value="$${local_ip_v4}"/>
>> <param name="sip-ip" value="$${local_ip_v4}"/>
>> <param name="presence-privacy" value="$${presence_privacy}"/>
>> <param name="inbound-codec-negotiation" value="generous"/>
>>
>> Take note: there is no disable-transcoding parameter which I understand
>> FS is transcodind.
>>
>> In vars.xml:
>>
>> <X-PRE-PROCESS cmd="set" data="global_codec_prefs=G7221 at 32000h
>> ,G7221 at 16000h,G722,PCMU,PCMA,GSM"/>
>> <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMU,PCMA,GSM"/>
>>
>> I tried to add L16 at the end of global_codec_prefs which is unnecessary,
>> isn't it? But it didn't work, too.
>>
>> Finally, I added L16 in the softphone, it worked.
>>
>> I have installed gsmopen before and it worked (transcoding) with IP
>> phones.
>>
>> Is there anything I may have missed?  I appreciate for any leads.
>>
>> Thank you,
>>
>> /Nandy
>>
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>
>
>
> --
> Ítalo Rossi
> italo at freeswitch.org
>
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
>
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