AT&T 5840 - Temporary Tone Dialing

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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.
1 Make the call, and wait until it is connected.
2 Press t. Keys pressed after this send
touch tone signals.
3 After you hang up, the phone automatically
returns to dial pulse (rotary) service.
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5840_CIB_2ATT 2002.11.7 5:49 PM Page 32