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Chapter 4 Features, functions, and buttons 37
WLAN IP Handset 2210/2211/2212 User Guide
Mute
• While on a call, press and to turn the microphone off.
• Press and again to turn the microphone on.
End calls
You must end every call, by pressing the Power Off/End Call key, to release system resources
and allow the WLAN Handset to function properly. If you press the Power Off/End Call key, you
enable the handset to go to low-power standby mode to conserve battery power.
Push-to-Talk
Push-to-Talk is available on the WLAN Handset 2211 only.
Push-to-Talk mode enables the WLAN Handset 2211 to operate in a group broadcast mode in
addition to the standard handset operation. The WLAN Handset 2211 supports eight multicast
channels with the current channel saved in the handset memory.
Call period
Push-to-Talk mode operates on the concept of a call period. The Push-to-Talk call period begins
with the first transmission and ends when there has been no two-way radio traffic on the channel
for 10 seconds.
The Push-to-Talk mode controls the handset keypad during the call period. Therefore, it is not
possible to use the keypad for any other functions. However, it is possible to place and receive
telephone calls.
IMPORTANT!
Pressing any other keys or buttons (such as the Up/Down/Select or keypad
keys) while in a Push-to-Talk call will terminate the call.