48 | Using the MC40
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PTT Express Voice Client
PTT Express Voice Client creates Push-To-Talk (PTT) communication capability between disparate
enterprise devices. Leveraging existing Wireless Local Area Network (WLAN) infrastructure, PTT Express
delivers simple PTT communication without the need of a voice communication server.
Group Call: Press and hold the PTT (Talk) button to start communicating with other voice client users.
Private Response: Press and hold the Left Scan/Action (Private) button to respond to the originator of the last
broadcast or to make a Private Response.
PTT Audible Indicators
The following tones provide helpful cues when using the voice client.
Talk Tone: Double chirp. Plays when the Talk (or Private) button is depressed. This is a prompt for the user to
Access Tone: Single beep. Plays when another user just finished a broadcast or response. The user is now able to
initiate a Group Broadcast or Private Response.
Busy Tone: Continuous tone. Plays when the Talk (or Private) button is depressed and another user is already
communicating on the same talkgroup. Plays after the maximum allowed talk time is reached (60 seconds).
Three increasing pitch beeps. Plays when PTT Express has acquired the WLAN connection and the service is
Three decreasing pitch beeps. Plays when PTT Express has lost the WLAN connection or the service is
Figure 28: PTT Express Default User Interface
| April 2014 | MN000111A02-A