SIP Trunk call disconnection after 30 seconds 2

[mic501]

I am working with a SIP provider for inbound calls.
I have an issue that calls are getting disconnection after exactly 30 seconds.

IT seems that the IPO is sending some messages during the call and then I get the following:
10:20:09 216074313mS Sip: SIP Line (21) No response to SIP Options Messages - setting trunk out of service

Therefore IPO then sends a BYE message to the remote system and the call is disconnected.

Do you know which parameter can be tweaked to prevent this from happening?

Thanks!

 

[mic501]

Resolution Found.
Set up the session timers from the system>lan>network topology..."binding refresh time" on the Avaya (by default they are not set)
This sorted the disconnections for good!

 

[derfloh]

Have a star for posting the solution.

 

[mic501]

Nice thanks!