[pjsip] about CPjAudioInputEngine and CPjAudioOutputEngine in Symbian

Nanang Izzuddin nanang at pjsip.org
Fri Apr 25 02:02:32 EDT 2008

Hi Janferry,

What device are you using?
You need to make sure you are using full duplex enabled devices.
Most of S60 2nd edition devices are half duplex,
while the S60 3rd edition devices usually can do full duplex.


On 23/04/2008, 翁剑锋 <wengjf.si at vsc.com> wrote:
> Hi
>     Here is Janferry.I'm using pjsip.
>     I have written some phone demo. and I also wtote one symbian demo.
>     but I can't play and record audio at the same time with CMdaAudioInputStream and CMdaAudioOutputStream.
>     I tested the sample "symbian_ua",SIP ran well,but there was no voice.
>     When I start play the MaoscBufferCopied  runs ok, or When I start record the MaiscBufferCopied runs ok.
>     but It can't  record and play a sound at the same time.
>     MaiscBufferCopied return errors after MaoscBufferCopied is runing.
>     how should I do with the stream buffers and the callback? Can you help me?
>    Thanks.
>    Best Regard!
>                             Janfery
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