BenQ S670C User Manual

Page 67

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Using Your Phone

51

Send DTMF

When the phone is connected with other devices or services, you can
send DTMF (Dual Tone Modulation Frequency) strings. DTMF strings
are keypad tones that can be sent via the microphone as you dial
another number. Your phone will emit the tones in order to
communicate with answering machines, pagers, computerized
telephone services, and so forth.

Enter the phone number and then press

to send the DTMF string.

End Call

End All

Ends all calls, whether active or on hold.

End Active

Ends only the active call.

End Hold

Ends only a call or calls on hold.

End One

Ends only a single call.

Hold/Unhold/Swap

Toggles the call status.

Mute/Unmute

Activates/cancels the silent mode.

SMS

Enters the SMS (Short Message Service

i.e. text message) menu. For

details on the SMS menu, see page 62, "Messages Menu".

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