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English
SPECIAL CALLS
DTMF
DTMF means Dual Tone Multi Frequency and
is used when the radio is required to operate in
a radio system with an interface to telephone
systems.
An access code, which is system dependent, is
normally needed for DTMF, please contact
your dealer or network manager for further
information.
To initiate a DTMF call:
1 Enter Access code
2 Press and hold PTT
3 Enter desired number
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