For the PTT functionality to work on your network, you must enable the multicast feature on your access
points. For detailed information, see the
Webex Wireless Phone 840 and 860 Wireless LAN Deployment
By default, PTT is disabled. As system administrator, you:
• Enable or disable PTT mode.
• Subscribe users to some or all the 25 available channels to receive, and optionally transmit, broadcasts.
Related Topics
Access the Cisco App Settings on the Phone
, on page 65
User Settings for Push to Talk
The user controls the following Push to Talk (PTT) settings on the phone.
Table 15: User Settings for PTT
Description
Default
Field Type Or
Choices
Field
Controls the volume percentage of the PTT
volume.
20
Integer 0–100
PTT volume
The user sets their default channel. The
default channel is the channel that
broadcasts when the user presses the
programmed
PTT
button or the
Talk
button in the
PTT
app.
A user can set a channel as their default
channel only if they are subscribed to the
channel and are able to transmit on the
channel.
Channel 1 - ALL
Channel 1 - ALL
Channels that have
both
Channel can
transmit
and
Channel
subscription
Admin
settings set to
Yes
Default channel
Admin Settings for Push to Talk
Use the following Admin settings to configure Push to Talk (PTT).
Table 16: Admin Settings for PTT
Description
Default
Field Type Or
Choices
Field
PTT must be enabled for it to be activated
on the selected handsets.
Off
On
Off
Enable PTT
From release 1.3 onward, you can set PTT
to transmit even if the phone is locked.
Off
On
Off
Allow PTT
transmission when
phone is locked
Webex Wireless Phone 840 and 860 Administration Guide for Cisco Unified Communications Manager
73
Cisco App Configuration
User Settings for Push to Talk