Sony SPP-A2770 - Manual (Page 16)

Getting Started 16 US
Choosing the dialing mode
For the telephone to work properly, select an appropriate dialing mode
(tone or pulse).
Setting the dialing mode is only possible on the cordless handset.
Make sure the base unit* is not in use before you start the setting. You
cannot set the dialing mode while the system is in use.
* If the system includes additional cordless handsets, it is necessary to stop
using them before you start the setting as well.
1
Press (PGM).
2
Press (*TONE).
You hear a confirmation beep.
3
Press (1) for tone dialing or (2)
for pulse dialing.
You hear a long confirmation
beep.
If you aren't sure of your dialing system
Make a trial call with the dialing mode set to TONE.
If the call connects, leave the setting as is; otherwise, set to PULSE.
Note
Do not allow more than 60 seconds to elapse during the operation procedure.
Step 4
DIAL MODE
1:TONE
2:PULSE
RING OFF MASSAGE OLD NEW