AT&T CL82215 - Temporary Tone Dialing

Telephone operation
35
Options while on calls
Temporary tone dialing
If you have pulse (rotary) service only, you can switch from pulse to
touch-tone dialing temporarily during a call. This is useful if you need
to send touch-tone signals to access your telephone banking or long
distance services.
1. During a call, press TONE
.
2. Use the dialing keys to enter the desired number. The telephone
sends touch-tone signals.
3. The telephone automatically returns to pulse dialing after you
end the call.