Have you tried the following procedure (not sure if it is that same one you tried)? I had a 7961 giving me fits earlier this month & this one got it back.Power off the phone.Hold down the # key. While holding #, connect an AC adaptor to the phone. C...
We have experienced the exact same issue here (only we are running a 2811 with 12.4(9)T3. The only fix is to replace the FXO card (We have a TAC open on this, but so far this has been their only solution). We have re-set the router, tried the shut/...
Sounds like you may be in the route plan (for outgoing calls ), make sure that you are using the Calling Party's external number mask, under Calling party transformations.