I have a Linksys RT31P2 ATA connected to a two line Siemens cordless phone system. Every once in a while, I'll notice that Line 2 lights up, then Line 1 lights up and then both go out.

If I attempt to place a call, by picking up one of the lines, right after the lights go out, I do not get a dial tone. Waiting a few seconds later, I can get a dial tone and make calls as normal.

I suspect that the ATA is rebooting but having zero insight into the admin page of the ATA, I can't say for sure.

Anyone know what it's going? I'm trying to track down why I had four calls drop in the middle conversations this week with the lights on the phone showing the same symptom (line lights going on and then off as if the ATA is rebooting in the middle of a call).