2 sec delay when transfering outside calls

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I have Elastix 1.0-15 installed on a P4 and 768MB of memory on it. Running a small 5 SIP trunks system on it. Internal calls there is no delay but when we transfer external calls, there is a 2 second delay.

Edwin Tang
etang@emfusion.net
 

lek

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You mean an audio delay (in the middle of the conversation) or the time until the call is placed?
 
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edgar said:
You mean an audio delay (in the middle of the conversation) or the time until the call is placed?
It should be the time until the call is placed. Similar case to me when make call outside through FXO.

Frankie
 
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Audio delay...using SIP trunks...found out the problem is due to our provider.

Thanks

Edwin
 

lek

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Thanks for posting the resolution etang.

Just a comment: Sometimes large audio delays are related to network problems or high jitterbuffer values.
 
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Any way to lower the buffer? What was really puzzling is this only happened while call transfer a call from outside SIP trunk. Intercom transfer had no problems at all. I am a newbie to the Asterisk world so...everything makes me question my own system.

Thanks for the info

Edwin
 

lek

Guest
I think you can play with the jbmaxsize parameter in the sip.conf file.

This only make sense if you have the jitterbuffer feature enabled with the parameter "jbenable=yes"
 

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