On 26 Jul 2006, at 03:04, Joseph Love wrote:
The issue which occurs is that the audio from the SIP client to the
IAX client will spend most of it's time sounded very robotic, and
garbled. It is possible, although very difficult to understand
someone who is on the SIP phone.
I have asterisk 1.2.10 configured with realtime with both IAX and
SIP clients.
The SIP clients include a Grandstream gxp2000 hard phone, and
Counterpath's X-Lite 3 (for windows) softphone.
The IAX clients tested include idefisk (both windows & mac),
JakenIAX, and LoudHush.
GSM is the preferred codec of both IAX & SIP clients, and is indeed
the codec being used in all tests.
Audio from the IAX to the SIP client does not experience any
issues. SIP to SIP (and presumably, although untested, IAX to IAX)
communication does not experience any issues.
We also have a T1 card through which many calls have been placed,
both from the IAX and SIP phones, without any audio issues
occurring, in either case.
If it weren't for that there have been multiple clients tested to
verify this robotic sound, I would cough it up to it being a
incompatability between the particular clients, but this occurs on
all SIP-IAX communication that has been tried.
I'm running out of options as SIP-IAX intercommunication is kinda
expected (and necessary for me), and out of good softphones for the
mac, as most of the mac-compatible softphones are IAX2-based.
Please let me know what additional information is needed to help me
debug this problem.
We have had reports like this, and it is looking like the iax
jitterbuffer is the culprit.
Try adding jitterbuffer=no to the general section of iax.conf and see
if that helps.
Tim Panton
www.mexuar.com
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