User's Manual

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n EXTENDED FEATURES AND FUNCTIONS
u Keypad (DTMF) Tones
Dual Tone Multi-Frequency (DTMF), or “Keypad Tone” signals can be
transmitted during a call by entering digits on the keypad or recalling
numbers from memory By sending DTMF signals you can access
special services such as voice mail and answering machines that
require long duration tones.
Keypad (DTMF) Tone Duration
You may select the time duration of Keypad (DTMF) Tones either long
tone (Long On) or short tone (Long off) whenever you wish.
üü To toggle the Long Tone On or Off, press the FUNCTION key
“FNC”, “#”, “8”.
The letters “DTMF Long On” or “”DTMF Long Off” will appear in the
display to indicate the mode.
If you select the “DTMF Long On” mode, a continuous tone will
sound for up to 3 seconds when you press any key.
If you select the “DTMF Long Off” mode, a tone duration will be
fixed to 95 milli seconds.
Keypad (DTMF) Tone Mute
The “Keypad Tones”(DTMF) may be muted during conversation, for
example, to store a number into the Scratch Pad without interrupting
conversation.
üü To mute the keypad tones, press the FUNCTION key “FNC”, “3”.