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TDE200 SIP incoming calls drop after 30 sec

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mak12321

Technical User
Aug 15, 2012
13
AU
Hi All,
I installed SIP trunks on TDE200, and now customer reported incoming calls drop after 30 sec.
Does anyone experience the same problem, any solutions?

 
It could be your firewall ( especially if a sonicwall has a 30 seconds timer on udp unsupervised streams, it is a tcp response the firewall is looking for to say it is ok and when it doesn’t get it it blocks the stream which will drop the call
 
whit wich matchin creat sip trunk? Elastix or other PBX or another provider?
if used line provider you the attention that DSP IP and you should use Mikrotik Router and NAt and route.



 
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