Ok, I put the Grandstream behind the router as suggested and forward UDP ports 5004-65000. Currently it seems to work. We'll see if it still works after a few days.
Junior Member
Re: Can't Hear the caller - New User
Ok, I put the Grandstream behind the router as suggested and forward UDP ports 5004-65000. Currently it seems to work. We'll see if it still works after a few days.
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