tg-1

  1. NAT 5060 firewall test head scratcher TG-1 modem

    Hi all, Appreciating the info on the forum. Im just converting to 3cx from free pbx and running into a NAT firewall problem I've had free pbx/asterisk working for about 6 months on the same equipment. Fairly happy but call quality suffered sometimes, plus I like to tinker and 3cx look slick...