Recently I noticed that the light on my backup battery (XBB1-A) was blinking green. This indicates that the battery wasn't paired with my gateway. I have the XB6-T (Technicolor CGM4140COM) gateway. The backup battery was paired in the past and only recently did I notice the blinking light. I tried unplugging everything and reinstalling the backup battery per the instructions. The battery simply won't pair with the gateway. Any ideas how to remedy this situation?
Additionally... I tested the battery by making a phone call, then pulling the power plug, simulating a power outage. It maintained the ongoing call for a few minutes. Once I hung up the phone, and attempted to make a new outgoing call, I had no dialtone anymore.