Push to Talk (IP Touch 610 WLAN)
25
8
Other
The Push-to-talk feature allows the Mobile IP Touch 610 WLAN to operate in a push-to-talk (PTT) group broadcast mode in
addition to the standard telephone operation.
The Mobile IP Touch 610 WLAN telephone supports 8 multicast channels. The channel used is saved in the telephone memory.
A PTT call is initiated by pressing the Talk button located on the right side of the handset. All Mobile IP Touch 610 WLAN
monitoring that channel and that have enabled the PTT feature in the user preferences menu will hear the transmission through
group listening.
PTT dialogue is interrupted when you answer a PBX call. When the PBX call is ended, PTT dialogue resumes if in an active call.
The 'Push-to-talk' function, activated by the system administrator can be configured by the user via the set local menu (OK key,
'Push-to-Talk' function).
8.1
start the call
The call period. The two-way radio operates on the concept of a push-to-talk session or call period. The push-to-talk call period
begins with the first transmission and ends when there has been no traffic on the channel for 10 seconds. The keypad cannot be
used for any other function. However, it is possible to place a PBX call.
8.2
Adjusting the volume level of the tones
8.3
Subscribing to channels
Once they are subscribed, the channels automatically appear in the list of default channels.
The 'start transmit ' sound indicates
that you can start talking'
press and
release the 'talk'
button
press the 'talk '
button- (press and
hold down the key)
talk with the
handset 2 inches (5
cm) away
The Mobile IP Touch 610 WLAN
then enters the waiting state
where it monitors the channel
for up to 10 seconds
release the 'talk '
button
adjust audio
volume
OK
OK
Push to talk
OK
OK
Tone Volume
OK
OK
OR
OK
go to the channel
and select it
OK
OK
Push to talk
OK
OK
Subscribed chans
OK
OK
8.4
Making a call on another channel
You may need to make a call on another channel than the one defined by default. You must first subscribe to new channels.
8.5
Receiving a call
Upon receiving a PTT transmission, the phone plays the 'receiving alert' sound and enters the receive state. In this state the phone
receives all conversations on the selected channel. The phone will ignore the Talk key while in the receive state. The screen shows
the current active channel, the caller ID information of the current transmitter, and an indication that the phone is receiving a
broadcast transmission. During a 'PBX' conversation, the IP Touch 610 is not able to receive a PTT 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.
8.6
Selecting a channel
To add channels to the default list of channels, see the channels subscription function.
press and
release the 'talk'
button ( twice)
select the channel using the
navigator or the volume
level adjustment keys
start the call ('talk' key
pressed and held down)
OK
OR
OK
go to the channel and select it
OK
OK
Push to talk
OK
OK
Default Channel
OK
OK
OK
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