[asterisk-dev] UWB Codec / Command-line softphone help

[Tim Panton]

On 6 May 2008, at 11:24, Koch Máté wrote:

> Hello,
>
> I want to ask some advice and help.
> I've got a porject: there is 10 student's PCs and 10 instructor's  
> PCs and
> I have to make a VoIP connection between them via Ethernet network.
> Each instructor can call any student, the students PC answers  
> automatically
> and the instructor can give orders to the student, and hears thay  
> response.
>
> I want to use Asterisk server with MeetMe, because it's easy: each  
> student
> has on own conference, in whitch he is connected all time, and the  
> instructors can
> connect to any of this conferences, whenever they want to.
>
> The problem is the sound quality. The Asterisk's basic codecs  
> quality is too
> bad, I need very clear voices (because it's for a psychological  
> experiment).
>
> Can You help me with suggesting an easy to use, simple command line
> softphone and a wideband codec, whitch is good for this task?
> (i've tried several softphones with gui, but an own gui will command  
> the whole experiment,
> and it would be easier to work together with a command-line one.)
>
> Thank You very much, best regards:
> Mate Koch


I think that if you use meetme, you will automatically drop to 8khz  
sampling
because that is what zaptel uses to do the mixing.

If you want wideband, you will probably need to make one-to-one calls.

Tim.