Purchased an AT&T 326 Caller ID box (as the KX-T7425 don't have caller id display), however, I can't get the caller id to work.
We do subscribe (via Comcast Business) to caller id services.
If I plug the phone line into the caller id box and then to the KX-T7425 phone, the phone doesn't work at all. If I plug the caller id box into the KX-T7425 port (on top) it doesn't pick up.

Anyone have a quick solution?
This is for our church...so our expertise is limited.


-Rob