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MM-012099-001, Rev. B
56
Overdial operation can also be used to initiate a telephone interconnect call via DTMF signaling if a dial
tone has already been accessed on the system. This method makes a telephone interconnect call while
operating in the conventional mode but will also function in trunked mode if a dial tone is directly
accessible.
Telephone numbers and other number sequences for overdialing can be stored in the phone list when
programming the radio. These numbers are accessed by pressing the
key, then following the selection
mode rules. Perform the following procedures to access and dial these stored numbers.
P5450 Model Radio
1. Follow the procedure in Section 8.23.2 to establish
a connection to the telephone system or consult
the system administrator for the procedure to access a dial tone on the trunked or conventional
system.
2. Enter selection mode first to enable entry of Overdial numbers by pressing the button.
3. Follow the selection mode rules to call up a stored number from the phone list: Use the
or
buttons to scroll through the list of stored numbers. is displayed. Press the PTT to send the overdial
sequence once. If the number needs to be transmitted again it must be selected or entered again (this
prevents unwanted numbers from being sent the next time the PTT button is pressed during the call).
Overdial select/entry mode remains active until the call is dropped, cleared, or is pressed. The
overdial select/entry mode can be re-entered if the call is still active by pressing
.
P5470 Model Radio
1. Follow the procedure in Section 8.23.2 to establish
a connection to the telephone system or consult
the system administrator for the procedure to access a dial tone on the trunked or conventional
system.
2. Overdial numbers are transmitted using one of the following methods:
METHOD 1: 1. Enter the overdial selection mode by pressing the
button.
2. Use the
or buttons to scroll through the list of stored numbers. is
displayed. Press the PTT to send the overdial sequence once. If the numbe
r
needs to be transmitted again it must be selected or entered again (this
prevents unwanted numbers from being sent the next time the PTT button
is pressed during the call).
Overdial select/entry mode remains active until the call is dropped, cleared, o
r
is pressed. The overdial select/entry mode can be re-entered if the call is
still active by pressing
.