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View Full Version : VOIP/SIP WM6 voice audio quality: setings and choppy


dick99999
28th July 2007, 09:14 AM
OK my VOIP/SIP works on WM6 and my Internal earphone works with SIP on my TyTN WM6 (http://forum.xda-developers.com/showthread.php?p=1395705#post1395705). Thanks to the great work off that thread's contributers. I can use both the internal speaker phone and the internal earphone of my TyTN. The sound quality ,however, is another topic: mine is very choppy. I can not even judge the other quality factors.

I read a lot of SIP/VOIP postings but did not find much on improving the audio quality under WM6. Third party SIP clients most times have codec, jitter, buffer and other voice and audio adjustment possibilities. The only very technical reference I found is Windows CE Networking Team WebLog (http://blogs.msdn.com/cenet/archive/2006/12/08/rtc-1-5-useful-registry-keys.aspx).

I can compare the audio quality of my HTC TyTN WM6 SIP with a Linksys WIP 330 WiFi phone (WM 4.2, SIP) through the same WiFi Router. ADSL at above 10 mbs and 1 mbs upload. The WIP330 sounds is a bit sharp (high hiss), but almost no chopped off sound.

Perhaps the lack of those features is why HTC left SIP support out under WM6?How is your audio quality on your device under WM6?

eljeffe991
6th December 2007, 12:38 AM
Same here. Using voip on Kaiser with Dutty's Touchflo ROM. Got it set up with voip.com and the call quality is lousy (choppy, jitter, etc.). It's about the same whether I use wifi or 3g. Any recommended solution for this? I know my broadband wifi connection is good since I use the softphone from my laptop over wifi with execellent results. Would trying a different codec help? If so which one and how would I set that up? Thanks.