AT&T 5830 - page 32

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TELEPHONE OPERATION
TELEPHONE OPERATION
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.
3After you hang up,the phone automatically
returns to dial pulse (rotary) service.