SipGate not receiving audio for inbound calls
RonR:
Quote from: daluu on March 23, 2012, 05:26:24 pm
Didn't know XMPP supported audio.
RTP is used for the audio in both cases, but the coordination is different between XMPP and SIP signalling protocols.
Quote from: daluu on March 23, 2012, 05:26:24 pm
Wonder why I'm the only one with one way audio issues though and others instead report trouble registering to SipGate...
There's a bunch of ways for RTP audio to get into trouble with SIP and NAT routers.
Do you have a STUN server configured on ITSP Profile B? Sometimes that will help in addition to the port forwarding. I use both in every VoIP installation, along with Tomato firmware in the routers, and haven't seen an audio issue in a long long time.
Leoli:
Have you fix the problem? I have same issue with 3600HGV and sipgate. sipgate only have one way audio path.
Please help to post the solution. Thanks.
Lynx:
Using a STUN server like RonR mentioned usually resolves one-way audio issues. It doesn't have to be from your provider, but Sipgate happens to have one: stun.sipgate.net
Others: stun.phonepower.com, stun.ideasip.com, stun.callwithus.com
Under ITSP Profile A General (or Profile B), check the STUNEnable checkbox and enter one of the STUN servers above in the STUNServer field.
Let us know if that works for you. If it doesn't, you'll likely need to do port forwarding on your router.
Leoli:
Hi, Lynx,
Thanks for your information, I tried to enter "OBI Expert Configuration" menu to do ISTP Profile B gerenal configure. I did as your said, and in "SP2 Service", I added username and password. then I back to dash board, I found my SP2 still shows didn't configure. Could you please give me more information? Thanks.
Leoli:
Hi, Lynx,
I found that my sigate SIP works now. I need first setup sigpate, then enable STUN server as your said. Thank your great help.
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