magicJack and magicJack Plus Support, Reviews, FAQs and Tricks

If you "forward" ports 5060 and 5070 for UDP packets on your window's firewall *and* your home router (not Cable/Fios/DSL modem) - most of your voice quality issues should go away!

Window's firewall and a home routers have a built-in firewall. MJ uses ports 5060 and 5070 to send and recieve UDP Voip packets. If you open those 2 ports in your windows firewall and your home router - your call quality will improve sharply (from my experience).

Per MJ's tech support - If your calls have an occasional "clicking" sound or garbled audio - it's because your windows firewall and/or your router's firewall are "screening" the UDP Voip data packets - and this results in delays and/or line noise. To clear this problem up, open ports 5060 and 5070 ...

Multiple times I have experienced this, and every time, MJ's tech support had me open ports 5060 and 5070 for UDP traffic (on both my windows firewall and home router). On my home router - I had to specify my computer's IP v4 address when forwarding the 5060 and 5070 ports, and all my problems ...

:D THE REASON WHY MAJIC JACK DOESN'T COMPLETE SENDING AND RECEIVING FAXES... is because Window's firewall and your router's firewall (if you have one in place) filter the UDP traffic packets - and this results in a "clicking" sound when you are on a call!!! This line noise causes the call to drop ...