User's Guide

Dual Tone Multi Frequency
The Dual Tone Multi Frequency (DTMF) feature allows the
radio to operate in a radio system with an interface to the
telephone systems.
You can turn off the DTMF tone by disabling all radio tones
and alerts. See Turning Radio Tones/Alerts On or Off on
page 190 for more information.
Initiating DTMF Calls
Follow the procedure to initiate DTMF calls on your radio.
1 Press and hold the
PTT button.
2 Do one of the following:
• Enter the desired number to initiate a DTMF call.
•
Press
to initiate a DTMF call.
• Press to initiate a DTMF call.
Responding to Phone Calls as Group
Calls
Follow the procedure to respond to Phone Calls as Group
Calls on your radio.
When you receive a Phone Call as a Group Call:
• The display shows the
Phone Call icon at the top right
corner.
• The display shows the group alias and Phone Call.
If Phone Call capability is not enabled on your radio, the
first line of the display shows Unavailable and your radio
mutes the call. Your radio returns to the previous screen
when the call ends.
1 Press the PTT button to respond to the call. Release
the PTT button to listen.
2
Press to end the call.
The display shows Ending Phone Call.
If the call ends successfully:
• A tone sounds.
•
The display shows Call Ended.
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