CHAPTER 5
Push to Talk app
• Push to Talk overview, on page 87
• Access PTT app, on page 88
• Change the default PTT channel, on page 89
• Change channel subscriptions, on page 90
• Send a PTT broadcast, on page 90
• Change the PTT volume, on page 91
• Ignore a PTT broadcast, on page 91
• Answer a phone call during a PTT broadcast, on page 91
• Start a phone call during PTT broadcast, on page 92
Push to Talk overview
If enabled by the administrator, your phone can operate in a group broadcast mode that is called Push to Talk
(PTT). In PTT mode, the phones behave like walkie-talkies. Your phone transmits audio over a built-in
speakerphone and recipients can respond to your message.
The administrator subscribes you and others to any of the 25 normal channels that are available. The
administrator may give you permission to receive, and optionally send, PTT broadcasts in your subscribed
channels. The administrator creates a label for channels to help you identify PTT channels. The default label
for channel 1 is ALL. Examples of normal channels in a hospital setting may be: Channel 2: Maintenance,
Channel 3: Hospital Admitting, and Channel 4: IT Helpdesk.
Your phone alerts you to PTT transmissions from normal channels, the priority channel, and the emergency
channel. Your phone receives PTT transmissions differently depending on whether you are on an active call.
• If you are not in a call, you automatically hear the PTT beep and the audio broadcast.
• If you are in a phone call, you do not hear the PTT beep or audio broadcast.
If you are on a call and see the PTT notification, you may join the broadcast, which would put your call on
hold.
Note
Cisco Wireless Phone 840 and 860 User Guide
87
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