Hi

we have a Panasonic A616 with 2 pstn lines (in co3 and co4 (co1 and co2 have nothing connected))

Randomly, co2 will start ringing constantly - 1 continuous ring that just doesn't stop.

we end up picking up the line then leaving it off the hook! At 3 in the morning, this can get a little annoying!

We tried moving the line from co3 to Co2 but it didnt work and just kept ringing.

Anyone ever seen it?

Thanks

Steve