Sony SPP-AQ25 - Manual (Page 16)

Choosing tone or pulse dialing
For the telephone to work correctly, you must set it to the
type of vour dialing system: tone or pulse dialing.
Setting the dial mode
Set the DIAL MODE switch to:
T (tone) if your dialing system is tone.
P (pulse) if your dialing system is pulse.
■ If you are not sure--------------------------------
Make a trial call with the DIAL MODE switch set to T.
If the call is connected, leave the switch at T.
Otherwise, set the switch to P.
Using touch-tone services with pulse dialing systems
Some serx ices require you to use touch-tone. This is not a
problem if \our phone already uses tone dialing. If your
phone uses pulse dialing, however, you need to follow the
steps below to use these services.
For details on making calls, see the "Making calls" section
(page 18).
I
You onlv need to press lONI:
once to turn dialing to tone; this
will remain effective until the
call is disconnected.
1
Dial the service number.
2
When connected to the service, press TONE
(®).
3
Press the dialing keys as required.
16 Getting started