Receive lots of SIG Random calls after connect to Simonics GVGW

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GPz1100:
Rather than fixing the symptom, fix the problem.  Review your firewall and set it to block any/all external inbound traffic. Hosts inside the firewall open ports to the outside.  Outside uses these ports to send data/traffic back; everything else is blocked.

2bcool:
I have the Obi100 too for 7 years, I migrated to Simonics GVGW some months back, had same random call issue. Now I'm able to fix this issue after changing the port number from 5060 to 7000.

Thanks guys!

Mango2:
While this will work temporarily, it may only be a matter of time until they find you again.  In that case, you will need to place your VoIP equipment behind a firewall with no port forwarding or DMZ, and SIP ALG disabled.

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