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Enhanced phone functions
Step by step
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*53=DTMF dialing?
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Activating tone dialing/DTMF suffix-dialing
You can transmit
Press the key shown.
Select and confirm the option shown.
You can use the keys 0through 9, )and ( to transmit DTMF signals.
Ending the call also deactivates DTMF suffix dia- ling.
Your system may be configured so that you can start DTMF
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