May, 2011 | 1725-36720-001_RevA 49
Chapter 5: Push-to-Talk (PTT) and Paging
The Push-to-Talk (PTT) and Paging features enable you to call as many people as have subscribed to a
PTT channel or Paging group. Your system administrator enables both features and determines the best
way to deploy these features in your facility. Contact your system administrator if you need help with
these features.
You manage both features in the Settings menu. Navigate to Settings > User Settings > Preferences >
Paging/PTT Configuration to view the configuration options.
Using the Push-to-Talk Feature
SpectraLink 8430 / 8440 Wireless Handsets can operate in a group broadcast mode called Push-to-Talk
(PTT). Users must subscribe to channels to receive PTT broadcasts. In PTT mode, the handsets behave
like walkie-talkies: your handset transmits audio over a built-in speakerphone and recipients can
respond to your message. Your system administrator defines which PTT Channels are available for
subscription. By default, subscriptions to Channels 1, 24, and 25 are enabled. Contact your system
administrator for more information.
This section shows you how to send and receive PTT broadcasts, and how to configure PTT. If the system
administrator has disabled PTT, the PTT options will not display when you open the Settings icon from
the Home screen.
There are three PTT channel types:
• Normal Channels PTT Channels 1 to 23 can be used as normal channels by any subscribed phone
user. The administrator can create a label, comprised of up to 15 characters, for Channels 1 to 23
to help users identify PTT Channels. The default label for Channel 1 is ALL.
• Priority Channel Users subscribed to the Priority Channel will receive transmissions on the
Priority Channel unless Do Not Disturb is enabled or an Emergency page is already playing. The
Priority Channel plays transmissions at the current audio level. The default Priority Channel is 24.
• Emergency Channel Every phone will receive transmissions on the Emergency channel even if
the phone is in an active call or if Do Not Disturb is enabled. Emergency transmissions play out on
the speaker at the highest audio level. The audio level will return to normal for subsequent non-
emergency transmissions. The default Emergency Channel is 25.
Sending PTT Broadcasts
Press and release the Talk button to display the PTT Channels List, which displays channels in this order:
the default Normal Channel 1, the most recent channel you used, Channel 25 (the default Emergency
Channel), and Channel 24 (the default Priority Channel) after which all channels are listed in numerical
order.
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