PTT (Push-To-Talk)
The DP730/DP722 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” used 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.
1. Users could press and hold the Push-to-talk key from any screen to quickly initiate PTT call.
Figure 40: PTT Call Establishment
2. Available handsets (subscribed to the same base station) will receive the PTT call.
3. Keep holding PTT key while speaking.
The channel status will change to Sending PTT to indicate that you are transmitting as displayed on the following screenshot.
Figure 41: PTT Transmission
To terminate PTT call, press button.
Configuration:
Users can access directly voicemail menu to play messages, by clicking on “View” (left softkey) when the notification of a
new voicemail pops up on the DP722/DP730’s LCD screen.
If VM is protected by a password, users can enter the password using DP722/DP730 keypad after reaching Voice Mail
system. The password is defined on the service provider or IP-PBX side.
Note
User should expect a delay of 6-8 seconds to establish PTT call due to DECT signaling, and which will not exist once PTT call is
established.
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