Grandstream Networks WP8 Series User Manual page 48

PTT (PUSH-TO-TALK) FUNCTIONALITY
The WP810/WP822/WP825 support the Push to talk (PTT) features which is a technology based on the instantaneous communication
commonly employed in wireless cellular phone services using a button to switch the device from voice transmission mode to voice reception
mode. This feature is similar to "walkie talkie" use and the PTT mode switches a phone from full duplex mode, where both parties can hear
each other simultaneously, to half duplex mode, where only one party can speak at one time. Multiple parties to the conversation may also be
included.
Enabling PTT mode
You can enable and con gure the PTT settings using the handset LCD menu:
1. Press Menu to bring up operation menu.
2. Use arrow keys to reach
3. Choose PTT settings and enable the
4. Press Save button to enable PTT mode.
Using the PTT Functionality
To send a PTT broadcast:
1. Unlock your handset.
2. Make sure the multi-function button is con gured to be a Push-To-Talk button.
3. Press the Push to Talk soft key.
4. Press and hold the Push to Talk key while speaking.
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Settings Advanced settings
PTT function.
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PTT and paging.
Figure 55: Enabling PTT Feature
Figure 56 : Custom
Button set to
PTT/Paging