You are right, I think the provider has some problems, and this should
be fixed.
But is also good to know that I can do this workaround for the worse
case scenario.
thank you !
Olle E. Johansson wrote:
4 sep 2009 kl. 13.40 skrev Marius Ciorecan:
Hello, all. I have an asterisk 2.3.2 and a Sangoma interface through
which I connected an external PSTN line. I use it as carrier for VoIP
calls. I can make successfully calls, but there's one problem, I
receive
200 OK with SDP with delay (sometimes more than 30 seconds).
So when I make a call through asterisk I receive intially:
- 100 Trying
- 183 Session Progress, with SDP
when the called number respond, I start receiving RTP with voice, also
the called receives voice from me, but only after a while asterisk
sends
200 OK with SDP.
I'm not sure if the problem is from asterisk or from the telephony
provider (I think the provider). Is there a posibility to replace 183
with 200 OK ? I mean from the moment when ringing starts to receive
200
OK with SDP instead of 183 ?
You can answer() at any point in the dialplan - and that will generate
a 200 OK.
Like
exten = marius,1,answer()
exten = marius,n,dial(sip/mariusphone)
This will generate an immediate 200 ok, regardless if mariusphone is
busy or gone from the network.
It's propably not what you want.
Asterisk sends 200 OK on the incoming call as soon as we get a
connection reply, a 200 OK or something similar in other protocols on
the outbound call. For some reason, this happens very late for you and
causes your problem. Could be some issue with the service provider,
your ISDN connection or -even worse - your IAX2 trunk... (could not
resist)
Please start with debugging that and solving the real issue, instead
of trying to change the functionality in Asterisk :-)
Regards,
/O
---
o...@edvina.net - http://edvina.net
Open Unified Communication - building platforms with SIP and XMPP
From PBX to large scale implementations for carriers. Contact us today!
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