[OpenSIPS-Users] Intermittent call dropping issue

[Stuart Mills, Invosys]

Hi,

 

I'm currently experiencing an issue when using OpenSIPS and FreeSWITCH
within the same network.

 

Calls arrive at the OpenSIPS border, then I use the dispatcher module to
send to one of 3 FreeSWITCH instances.

 

On a bad call it seems like 200OK is being sent back from FreeSWITCH on
calls that will drop, it tries time and time again until giving up after 30
seconds, but OpenSIPS isn't responding with the ACK. The IP addresses in the
trace I've got look good, all internal NAT addresses so I'm not sure how it
could be missing this packet.

 

Have any one experienced this using a similar setup? I can post the
opensips.cfg file if necessary.

 

Regards,

 

Stuart Mills

Senior Network Engineer

 

Invosys Ltd.

 

Direct.    0161 444 7403

Web.        <http://www.invosys.com/> www.invosys.com


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