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TELEPHONE CALLS
30
quickly select the telephone group in the current system, press the
TEL option switch as described on page 41. When a group
programmed for telephone calls is selected, is displayed.
2. To obtain the dial tone, briefly press the PTT switch. If the proceed
tone is used (see page 25), press the PTT switch until this tone
sounds. If a dial tone is then heard, proceed to step 4. Busy or no
access conditions may also be indicated the same as described for
standard group calls on page 28.
3. With the dial tone sounding, dial the number using the 0-9 keys on
the microphone keypad. If the microphone has a memory, you may
also be able to recall the number from memory. The PTT switch
does not need to be pressed while dialing if the transmitter auto-
matically keys. If too much time elapses between digits, the call is
terminated.
4. After the number is dialed, release the PTT switch (if it was
pressed). With LTR-Net operation, a short tone then sounds to
indicate that the number was accepted by the system. Landside
ringing (or a landside busy condition) should then be heard.
5. When the other party answers, press the PTT switch and respond.
The PTT switch must be pressed to talk and released to listen the
same as with mobile-to-mobile calls.
6. When the call is finished, it should be terminated. This is usually
done by transmitting either the # or # characters, and termina-
tion is indicated by three beeps. Terminating the call in this
manner prevents extra billing that may occur while the system
automatically detects the end of the call.
Receiving a Telephone Call
1. Select or scan the system and group programmed for telephone
calls. To quickly select the telephone group in the current system,
press the TEL option switch. When a telephone group is selected,
is displayed.
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