Telephone Interconnect; Dtmf - L3Harris XL Extreme Series Operator's Manual

5.26 TELEPHONE INTERCONNECT

1. Press the Menu/Select button to access the main menu.
2. Press the left or right navigation buttons to display the CALL menu.
3. Press the up or down navigation buttons to highlight PHONE CALL and press the
Menu/Select button.
4. Select an entry from the list of pre-programmed entries or click DIRECT DIAL to enter the
number directly. Direct Dial entries can have up to 31 characters (0-9, *, #, or a space; the
space correlates to a pause.) Select OPTIONS to view details about the highlighted pre-
programmed entry. The radio supports up to 255 pre-programmed entries.
5. Press PTT to initiate the phone call. Press the right navigation button to end the call.
The radio does not permit telephone interconnect calls during an emergency. While in a phone
call, the radio ignores all types of calls EXCEPT a System All Call. If the radio receives a System
All Call while in a phone call, it immediately drops the phone call and accepts the All Call.

5.27 DTMF

XL Series portables support the transmission of DTMF tones corresponding to the
numbers/characters on the keypad. To overdial numbers/characters, press and hold the PTT
button, and then press the corresponding keys one at a time on the keypad. Valid keys for DTMF
tones are: 1, 2, 3, 4, 5, 6, 7, 8, 9, *, 0, and #.
NOTE
For conventional or P25 Conventional systems, DTMF tones only play if the
current system is programmed for DTMF (part of general System configuration).
DTMF tones are always enabled for P25 Trunking systems.
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