Sue has a Nexus One Android phone running Android 2.1.
This is the only client I have available right now.
Let me know if I am not answering your questions; perhaps I did not
understand...
On Tue, Dec 21, 2010 at 11:48 AM, Klaus Darilion
<klaus.mailinglists at pernau.at> wrote:
> what is Sue's device? Also pjsip? Have you tried replacing it with another
> client?
>
> klaus
>
> Am 21.12.2010 17:34, schrieb Ken Laberteaux:
>>
>> I am trying to work with a developer to troubleshoot echo issues in a
>> mobile-phone SIP application (csipsimple).
>>
>> If I recall from my telecom days, there was sometimes a practice of
>> intentionally feeding back some of the received signal. ?This was done
>> ?to give the far-end talker a nice "reverb" sound to his voice, but is
>> a disaster if there is delay in the line.
>>
>> Is there anything like this in pjsip?
>>
>> Again, the issue is that a far-end caller (call him Frank) calls the
>> near end SIP device using pjsip (call her Sue), Frank experiences
>> significant echo of his voice. ?Sue experiences no echo of her voice.
>> It seems that Frank's echo problems are not reduced even when Sue
>> covers her mic with her finger ("acoustic mute") while Frank talks.
>> This leads me to think that Frank's voice is being resent (digitally,
>> not acousticly) to Frank by Sue's device. ?Since there is non-trivial
>> delay in the round trip, Frank hears significant echo.
>>
>> Any suggestions?
>>
>> Thanks!
>>
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>>
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>
