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I haven't narrowed it down, but Windows systems with Celeron processors
seem pretty sensitive to system load causing lots of call quality
problems. We also do a lot of call recording, and I suspect that the writes block and kill the quality. I didn't figure this out in time to save our sipxtapi project though. We are moving to a modified version of ekiga on Ubuntu linux. I hope to be able to contribute to sipxtapi in my personal time, but that won't be very often. Charlie [EMAIL PROTECTED] wrote: Keith Kyzivat wrote:This depends on your processor speed. Slow processors seem to show issues with audio quality. It's been witnessed to happen even when not using RTP, so this is a bug in the framework, and not in the connection...Alex Chemeris may be able to answer you a bit better. If you search the list archives, you should be able to find some other information on this issue. On 4/25/07, Xiaoming wang <[EMAIL PROTECTED]> wrote:I underclocked my processor to 900Mhz and set in task manager to use only 1 cpu core for my wxCommunicator and there were no audio glitches during a call. I also used netlimiter to limit in/out bandwidth to 10Kb/s and call quality was still ok. But I have low latency 100Mbit connection. When I tested my softphone on computers with slower connection, there were some audio glitches so I guess it's more a problem in handling jitter than slow cpu. Please check out http://www.akmalabs.com/downloads_netsim.aspx , maybe we can use it to improve jitter handling in sipxtapi. Jaroslav Libak _______________________________________________ sipxtapi-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipxtapi-dev/ |
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