5840_CIB_2ATT 2002.11.7 5:49 PM Page 32

TELEPHONE OPERATION

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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.

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AT&T 5840 user manual Temporary Tone Dialing