Ever since we moved our phone doesn't work. There is no dial tone, only static. (Internet and TV work fine.)
I brought a corded phone from work that is known to work. (I tested it at work on the POTS line there before borrowing it.) I plugged it into the primary jack on the modem and, when that failed, into the secondary jack on the WiFi router. On both jacks I heard only static.
There was no other phone connected.
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It is a Cisco XB3. The power light is on. The US/DS light is on. The 2.4 GHz light is blinking. The 5 GHz light is blinking. The Tel1 light is off. The Tel2 light is off. The Battery light is off.
There is no change to the lights when I lift the handset.