SIP register unsuccessfull

Michal Posts: 2  Freshman Member
First Comment
edited April 2021 in Security
I have some trouble with SBG3600 which have two WAN interfaces in use (LTE and ETH). I set forwarding policy - all traffic from my SIP server (3CX if it's relevant) goes through ETH WAN. It works for most of the time but sometimes all SIP trunks unregister. I still have www access from this server but PBX don't receive any reply from service provider. 
All I need to do is go to router management > Broadband open Edit window and without doing any changes click Apply. After a while all trunks are registered. I didn't have this sort of problem on my previous router.
How to solve it or debug this issue? 

Best regards


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