Mike Taht wrote:
No, I'm not terminating to zap. The speex connection I tried was
Grandstream -> Asterisk/RH9 -> IAX Internet to China -> Asterisk FC3 -> Grandstream
It's probable to me that I simply ran into a difference between speex
on a redhat 9 system and a fedora core 3 system. I will try some other
codecs with the PLC code enabled between these systems tonight and
tomorrow.
In this path, you ideally just want the jitterbuffer turned off on both the * boxes [this should, in theory, happen automatically], and rely on the VoIP _endpoints_ to handle jitterbuffering and PLC.
I don't know how well the Grandstreams do this, but they probably have DSP code licensed to do this, etc.
The latest jitterbuffer patch tries to disable itself in this case (where you're bridged to another VoIP channel), but you can turn this off at compile-time This is all discussed in the mantis bug, BTW.
-SteveK
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