Making and receiving different types of calls 43
Calling a telephone or a remote device
You can call a telephone or send control codes to a remote
device using a feature called DTMF (the tone-based system
used by the world telephone network).
There are two ways to make a DTMF call:
■ Using a preset call.
■ Dialling a number.
Making a preset DTMF call
A preset DTMF call may be assigned to one of the
function keys.
To make a call:
1 Select the channel the DTMF call is assigned to.
2 Press the assigned function key.
Different preset calls may be available on different channels.
One-touch preset calls
A single one-touch call may also be assigned to one of the
function keys.
To make a one-touch preset call:
■ Press the assigned function key.
Dialling a DTMF call
Note: This feature is only available for radios with an
alphanumeric keypad.
DTMF call strings can use numbers 0 to 9, letters A to D, and
the and keys.
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