Has been working fine for almost 2 years, using a cordless phone setup. Today I plugged in an office phone via the existing RJ12 outlet and got a dial tone but couldn’t call in or out, so it was then unplugged to work out why. Now the other phone wont call in or out, but has a dial tone. I’ve tried turning off for 30 seconds and have hit the reset on the modem. Internet is working fine. ... View more