Motorola GM380 User's Guide download pdf (Page 28)

English

RADIO 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.

There are two methods of accessing DTMF

Live Dial Mode:

Automatic/Manual

To do this, your radio must send a telephone

interconnect to a station that connects you to a

phone line. After you have finished your call, the

radio sends a clear down call (if programmed) to

shutdown the connection to the phone line.

Sending the Telephone Interconnect Call

Your radio can be programmed to send the

interconnect call in one of the following ways:

• automatically - when a call button

(Call 1 - 4 or PTT) has been programmed with

the interconnect call, or a contact list entry has

been programmed for DTMF access.

• manually - when you dial the code using

the keypad

If in doubt, please contact your dealer or network

manager for further information.

To initiate a DTMF call with Automatic

Telephone Interconnect Call

1 Press dedicated Call Button (Call 1-4 or PTT),

you will hear a tone sequence.

Display icon lit:

2 Wait for call to be set up when you will hear a

dial tone.

Display shows:

3 Enter desired phone number, taking care not

to press the PTT.

Note: Each DTMF digit is transmitted instantly.

Display shows

entered digits:

4 Once the radio has connected to the called

number, you can begin the conversation. Even

though this is a phone call, your conversation

mimics a radio call, that means that both

parties speak in turn, i.e. press the PTT to talk,

release to listen.

Enter Digits

8116

1 ... 27 28 29 ... 60

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Motorola GM380 User's Guide Page 28

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