AT&T 5845 - Manual (Page 36)

3 3
Te m p o r a ry Tone Dialing
If you have dial pulse (rotary) service, you can change
from dial pulse to touch tone dialing during a call.
1 Make the call,and wait until it is connected.
2 P re s s . Keys pressed after this send
t o u ch tone signals.
3 After you hang up, the phone automatically
re t u rns to dial pulse (ro t a ry) serv i c e .
5840_CIB_2ATT 2003.3.5 6:12 PM Page 32