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2-8 MH120 Wireless Telephone
Mobile Handset 120 and Desktop Charger/Gang Charger User Guide - Revision 1
current transmitter, and an indication that the phone is receiving a
broadcast transmission.
At the end of a transmission, the phone enters the waiting state where it
monitors the channel for up to 10 seconds and displays “Waiting” on the
screen. If no other transmission occurs within 10 seconds the phone
plays the “end call” sound and reverts to idle state.
Changing PTT volume
Press the Up and Down buttons to raise or lower PTT volume. A
separate volume is maintained for PTT calls with the current volume
selection retained in memory.
Muting a PTT call
The Mute feature only affects the current call. The phone will play
subsequent PTT calls. Mute does not allow the user to use the Wireless
Telephone's keypad for anything else, including an OAI application.
Use the following steps to Mute a call:
Step 1 Press the Mute soft key. A Mute Two-Way Radio? prompt displays.
Step 2 Press the Yes or No soft key. The prompt disappears after 3 seconds if
the user doesn't confirm either Yes or No.
The Mute soft key turns into an Unmute soft key while in the mute state
and can be used to unmute the PTT call (the confirmation prompt is
displayed first).
When the next PTT call period starts the audio is automatically
unmuted.
Terminating a PTT Call Early
Use the following steps to terminate incoming broadcasts.
Step 1 Press the Terminate soft key.
Step 2 Select Yes when the confirmation prompt displays. Push-to-talk audio is
immediately stopped and the phone exits the PTT session.
No other Wireless Telephone is affected and only the current call is
terminated for this handset. When the next PTT call period starts, the
Wireless Telephone is again in the receive state. You may rejoin a still-
active session by initiating a PTT call.
NOTE
The caller ID is protocol specific. Usually it is the extension number programmed in
the phone from the on-hook user menu.
TIP
Disable the PTT feature in the on-hook user menu to stop receiving PTT calls.