[asterisk-users] SOLVED: Problems replaying G.726 - only noise

[Michael Hirschbichler]

Hi all,

fyi: I upgraded to Asterisk 1.6.1.6 and g.726-32 is now working

br
Michael

Michael Hirschbichler wrote:
> Hm,
> 
> when I use "exten => 2000,n,SayDigits(1234)", then I also get only noise
> since the beginning of the call. Any ideas?
> 
> br
> Michael
> 
> Michael Hirschbichler wrote:
>> Hi all,
>>
>> im my current test-environment, I want asterisk to play a wav-file as a
>> response to a g.726-32 call
>>
>> extensions.conf
>> exten => 2000,1,Answer()
>> exten => 2000,n,Playback(some_sentence)
>> exten => 2000,n,Hangup()
>>
>> When I play the wave-File with mplayer, I am getting the following
>> file-information:
>>
>> Audio file file format detected.
>> ==========================================================================
>> Forced audio codec: mad
>> Opening audio decoder: [pcm] Uncompressed PCM audio decoder
>> AUDIO: 8000 Hz, 1 ch, s16le, 128.0 kbit/100.00% (ratio: 16000->16000)
>> Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
>> ==========================================================================
>> AO: [alsa] 48000Hz 1ch s16le (2 bytes per sample)
>>
>> Now, when activating the G.711 alaw in the calling client, everything is
>> working fine, I can create the call to the * and I get the sentence
>> played correctly.
>>
>> But when I create a SIP-call to the *PBX, where only G.726-32 is allowed
>> as RTP-codec on the caller, the call is also received, but I only get
>> random noise.
>>
>> Well, as I had no clue, what to do, I tried to convert the wav-file to
>> g726-32 explicitely with the asterisk-"convert" command:
>> file convert /usr/share/asterisk/sounds/some_sentence.wav /usr/share/
>> asterisk/sounds/some_sentence.g726-32
>>
>> As a result, I got the following error:
>> Failed to convert /usr/share/asterisk/sounds/some_sentence.wav to
>> /usr/share/asterisk/sounds/some_sentence.g726-32!
>> [Oct 19 16:13:54] WARNING[8846]: format_g726.c:166 g726_write: Invalid
>> data length 69, should be multiple of 40
>> [Oct 19 16:13:54] WARNING[8846]: file.c:209 ast_writestream: Translated
>> frame write failed
>> I do not know, if this error is related to the problem described above.
>>
>> Any help is welcome,
>>
>> br
>> Michael
>>
>> PS: Asterisk 1.4.17~dfsg-2ubuntu1.1 built by buildd @ vernadsky on a
>> i686 running Linux on 2009-09-25 19:24:25 UTC on Ubuntu Hardy
>>
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> 
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