Dear all
I'm currently playing with linphone 3.4.1 on my two Xubuntu 64-bit systems
(10.04 and 10.10) using a SIP account from @iptel.org (and previously with
@sip.linphone.org and even @ekiga.net). Audio seems quite robust; I've
tested using [email protected] and [email protected], and by calling the other
Xubuntu system on the same internet connection.
However I get very bad video performance, and I cannot pin down the issue
to linphone/codec, my internet connection or proxy performance. When I
call myself on the other Xubuntu system, the video is very jerky and
pixelized, and my network monitor shows an average download and upload
speed of 10 kbytes/s. Using Skype to call my friends I get consistent
down/up speeds of 70kbytes/s and very acceptable video quality. As far as
the linphone prefs go, I use h264 on one box and mp4v-es on the other,
with 256kbit/s down limit and 128kbit/s up limit (my internet connection
can easily do down speeds of 400-500kbit/s when the server permits it).
Any ideas on what's wrong with the setup? Can somebody suggest a SIP
number to test the video quality? I've tried [email protected] [1], but it
looks broken. And an internet search didn't get me anywhere. Thank you
Liviu
[1] http://wiki.ekiga.org/index.php/Fun_Numbers
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