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Joined: Dec 2012
Posts: 21
Member
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Member
Joined: Dec 2012
Posts: 21 |
In 5.2.13 for the particular SIP Carrier, set Alive Notify to Option, and then the Alive Notify Time to a time less than the firewall timeout time. Somewhere between 300 to 600 seconds is usually fine. That will send an OPTIONS request to your provider at that period, which opens the firewall ports for communications with your provider. There are generally very few reasons to port forward 5060 to your system if you do this, especially if you aren't locking it to your provider's IP.
You know.. that guy.. with the thing.
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