[Linphone-users] Re: Linphonec on gentoo

[Petr Pisar]

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Salvador Gianluca wrote:
> thanks to Petr for the suggestion: i succesfully build (only) linphonec and i 
> could see its prompt and make calls, but i have troubles with alsa sound...
> 1. I hear a mic echo on the pc-speakers when i start linphonec and also when 
> i call someone
> 2. when i answer to a call, i cannot hear anything from the other part, but 
> only mine mic's echo
> However, on FC4 i installed complete linphone (the same version of gentoo) 
> and i do not have that troubles
> I think it could be an alsa problem. 
> In the alsamixer utility i enable only master, PCM, hardware, PC-speaker, and 
> mic-capture, and i think this is correct: isn't it?
> So I am trying to update alsa: my current version is 1.0.8, and the lastest 
> available version is 1.0.11 
> Any suggestion?

At first you should have your system uptodate (emerge --sync && emerge
- -uDva world). Then you could check linphone from portage. I have
installed masked version 1.3.5 and it works.

I have installed 1.3.99.6 by hand and it works too (appart sipomatic and
truespeech suppport).

ALSA configuration is specific to alsa-lib version and your sound card.
E.g. my ICH6 with ALC203 had problems with proper channel labeling.
Latest stable version fixed it.

It is also hard to give an advice about mixer setting, because every
sound cards has its own layout. I think you should check it with some
simple tools like aplay and arecord. After that you should set up
[sound] section in ~/.linphonerc properly.

That's all what I can say.

- -- Petr

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