[pjsip] Windows Mobile 6 half duplex audio - anything known?

Roland Klabunde roland.klabunde at freenet.de
Sun Apr 20 07:36:50 EDT 2008


Yes, Martin swear's, he did it already :)

But let's see.

Other possible things?

Regards

----- Original Message ----- 
From: "Benny Prijono" <bennylp at pjsip.org>
To: "pjsip list" <pjsip at lists.pjsip.org>
Sent: Sunday, April 20, 2008 1:27 PM
Subject: Re: [pjsip] Windows Mobile 6 half duplex audio - anything known?


> On Sat, Apr 19, 2008 at 4:56 PM, Roland Klabunde
> <roland.klabunde at freenet.de> wrote:
>> Hi (Benny),
>>
>>  Martin has built the wince sample of the latest SVN, switched off VAD
>>  and EC and got hmmmm..... some sort of a walky talky :) Means: The audio 
>> was
>>  half-duplex only. Only if one side was silent, the other's audio came
>>  through. ASUS PDA. From this device we know, that the GSM audio quality 
>> is
>>  horrible, but was at least full duplex. PTIME is 20, no change with 
>> PTIME
>>  80.
>
> That sounds like the echo suppressor (PJMEDIA_ECHO_SIMPLE) is in
> operation. So the EC is not totally disabled after all. In PJSUA-LIB
> you can disable the EC by setting the ec_tail to zero.
>
> Cheers
> Benny
>
>>  Is there anything known about this issue? I haven't double checked his
>>  settings, so I just rely on his reports (and my ears too of course :))
>>
>>  Regards
>>
>>
>>
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