Calling
Push-to-Talk Group Call
4)
Enter the number (maximum 24 digits) to divert to.
5)
To save changes, press
OK
or press
Back
>
Yes
Disable the Diversion
To disable the diversion, at step 3 described in
on page 27, select
All calls
and unmark the check box. Press
Back
to apply changes. The handset sends a diversion reason
code to the system when establishing a call. The call is automatically disconnected after a few
seconds.
Push-to-Talk Group Call
NOTICE:
Applicable to WL4 Plus only.
Push-to-talk (PTT) provides instant voice connectivity to a group of persons. PTT is a one-way
(half-duplex) communication. To talk, press and hold the
Mute/PTT
button
. Release the button
to let another person to talk.
To participate in the conference, the group members must accept an invitation received as a text
message. For the details, refer to the
on page 28.
If a member declines an invitation, they can re-join the group/conference later on. For the details,
refer to the
on page 29.
Every PTT group must be defined in the WinPDM/WSG DM to be able to use this function. For
the details, refer to the Configuration Manual, Unify OpenScape WLAN Phone WL4.
INFO:
If it is required to have key lock during an ongoing call, for example to
avoid that any key is accidentally pressed, set the
Automatic key
lock
to
On
.
Automatic Keypad Lock Settings
on page 52.
Accept a PTT Invitation
A PTT invitation is viewed the same way as an ordinary message. The message can contain up
to 500 characters.
1)
Press
Call
to accept the invitation and join the call. Refer to
Figure 4: PTT invitation window
on page 29.
NOTICE:
The handset may accept the invitation automatically, start in invert-
ed mute and loudspeaking mode, depending on the configuration of the re-
ceived invitation.
2)
The handset is connected to the PTT session. The invitation can now be deleted or closed by
pressing
Delete
or
Close
, respectively. The call is not disconnected by pressing these soft
keys.
3)
Press and hold the
Mute/PTT
button to start talking. Release the button to let another person
to talk.
14
Depends on configuration.
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OpenScape WLAN Phone WL4, User Manual
