AT&T 5870 Cordless Telephone User Manual


 
30
Temporary Tone Dialing
If you have dial pulse (rotary) service, you can change
from dial pulse to touch tone dialing during a call.
1Make the call, and wait until it is connected.
2Press t.Keys pressed after this send touch
tone signals.
3 After you hang up, the phone automatically
returns to dial pulse (rotary) service.