– pressing M
N when on a call.
– pressing MOFFN at all other times.
If you cannot make calls, change this setting
according to your telephone line service. The
default setting is "Tone".
"Tone": For tone dial service.
"Pulse": For rotary/pulse dial service.
MMenuN (right soft key) #120
MbN: Select the desired setting.
MSaveN a MOFFN
For assistance, please visit http://www.panasonic.com/help