maybe you need to check which microphone you plug in on your computer and which one is set as the default. Sometimes you may have to change the default one, i.e. back, front, etc, a few times
- 在ROUTER上"允许"(ALLOW) UDP protocol (port 5060 and 5070, that's what Magic-Jack uses according to their website).
- Registered my device with www.magicjack.com to obtain a user account and incoming phone number (I got the USA number, did not pay extra $10 for a Canadian one).
- I dug up an old stand-alone phone to use on the MagicJack side (I was testing with a handset unplugged from a fax machine, which has no dial pad).