[OpenSIPS-Users] How to check SIP connection to UA?

[Dragomir Haralambiev]

Hello,

I have calls with follow connection:

UA ---->( NAT server )---------> OpnSips - real IP (with NAT support).

How to setup Opensips to checking SIP connection with UA?
I need to close call when connection between UA nad NAT server is down.


Thanks in advance,

PlayMen
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