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Forum Discussion
krgoodwin
Aug 20, 2026Apprentice
Can't Call My Brother
I have an RBE972S (RBE971 router with 2 RBE970 satellites) system using a CM2050V cable modem. I can not connect to two telephone numbers that are cell phones on an AT&T network. No known problem co...
Kitsap
Aug 21, 2026Master
While you sort this situation out, recommend you find a plane Jane telephone handset you can plug directly in to the RJ11 (#1) on the back of your CM2050V. This will take Wi-Fi calling completely out of the equation.
StephenB
Aug 22, 2026Guru - Experienced User
Kitsap wrote:While you sort this situation out, recommend you find a plane Jane telephone handset you can plug directly in to the RJ11 (#1) on the back of your CM2050V. This will take Wi-Fi calling completely out of the equation.
krgoodwin's panasonic phone is just a DECT phone system (I have a similar model, connected to the phone output of my ONT). So this is happening with both wifi calling and "plane jane" calling. He won't learn anything new by trying a different phone model. All the pansonic phone is doing is sending the DTMF tones for the dial string out the RJ11 jack.
Some years ago I had a similar problem (not able to call a specific phone number). Engaging with the carriers was needed to resolve it.