AT&T 2355 - Manual (Page 17)

Set Dial Method
NOTE: When you change the dial method
setting, ALL registered handsets are affected.
(See “About Adding Handsets” on page 2 for
details about additional handsets.)
This phone comes set for touch tone ( DTMF) dialing.
If you have dial pulse (rotary) service, you must set
the dial method to
PULSE.
1 Press S. The screen displays
2 Press + to - until the screen displays
3 Press S. The screen displays
4 Press 1 or + to select PULSE
— OR —
Press
0 or - to select DTMF.
5 Press S to save the displayed setting.
DIAL METHOD
DTMF
>DIAL METHOD
CALL LOG
>CALL LOG
PHONE BOOK
14
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TELEPHONE FEA
TURE SETUP
TELEPHONE FEA
TURE SETUP