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-   -   No outbound audio on outbound calls (http://forum.sipbroker.com/showthread.php?t=166)

KiniK 05-20-2006 03:18 AM

No outbound audio on outbound calls
Ok, I realize it's probably a common issue due to nat/network configuration, but I still couldn't fix that.

Issue is, when someone calls me, everything works fine. When I call back this person, he can't hear me, I can hear him.

I use sipdicount, my only provider setup in voxalot for now. Then ipkall to get a phone number.

I tried (all?) combinations of port forwarding, dmz, playing with QoS, and the settings on my spa3000 (nat enable, keep alive...).

Any idea? :)


KiniK 05-20-2006 03:33 AM

I knew it...
I spent the last two days fighting with that, and it's two minutes after posting that I find the solution...
It was in the previous thread :)
For all the people like me lurking forums to find answers: CODECS!
I forced my spa3000 and voxalot to use the ulaw codec, and only that one, and it now works. I guess that when the codec negociation occurs, it actually matters who initiate the call.

Now, I'll try to reduce that echo and see if the quality is good, or if I should try a different codec.

cgigate 05-21-2006 06:40 PM

It is popular problem, it may not relate with codec!
All my systems only set one codec G.711u

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