2 sip calls bridged causes delay in voice

dinaras

Joined
Jul 21, 2010
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#1
Hello, i am trying to set up a click to call solution for a client.
He wants to use sip providers in order to terminate calls. I use AMI in order to generate the first leg of the call and after this is answered call is sent to a dialplan which calls the second leg and the conversation can start.

I have tried to implement this both with elastix 1.6 and elastix 2 (asterisk 1.4 and asterisk 1.6)

I have also tried using reinvite and not using reinvite.

The difference was that asterisk 1.4 would mess a bit the beginning of the call when reinviting and asterisk 1.6 dont. But apart from that i did not see any better performance regarding latency in the conversation itself.

The dial plan i use is

[custom-callboth]
exten => s,1,Wait(1)
exten => s,2,Background(pls-wait-connect-call)
exten => s,3,Set(CALLERID(num)=XXXXXXXXXXXX)
exten => s,4,Dial(SIP/voipprovider/XXXXXXXXXXXXX)
exten => s,5,Hangup() ; No available circuits


The same setup if using Dahdi trunks works with no delay at all.

Do you have any idea how i can make this work, am i doing something wrong.

I can send you more details and sip debug traces if needed


Thank you very much in advance for your help

Bets regards

Dinos
 

fmvillares

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Sep 8, 2007
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#2
your voip provider is the delayed part...try getting a sip trace and you will see the delays...
 

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