Group Call - PTT function
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This article describes how to configure a DAK key on a station to activate a Group Call when the key is pressed, and cancel the group call when the DAK key is released.
Configure the group to use "Automatic M-key"
In AlphaPro, select the Group Call, and enable "Automaic M-key". When enabled, there is no need to press the M-key to open the microphone during the group call: File:GroupAutoM.png
In the Event Handler, the event 30 (Station DAK or Input) is triggered when a DAK Key is pressed.
The following event will activate group call 85 when the DAK key number 3 (= Subevent 3) is pressed, and cancel when the key is released.
Configuration
In the following example the volume will be set to level 6 when group call 86 is called from stations in UDP group 2. The volume is set to level 3 (default) when the group call is ended.
When stations outside UDP group 2 dial group call 86 this event will not be triggered, and the volume will not be altered.
In AlphaPro, go to Exchange and System -> Events, press Insert and create the following event (the action strings can be copy/paste from here into AlphaPro):
Event Owner: | Stations with UDP: Id: 2 |
Event type: | 08 - Conversation Outgoing |
Sub event: | 0 |
When change to: | ON or OFF |
When related to: | Directory Number, Id: 86 |
Action: |
IF %chg(1,0) $DD L%1.dir L85 stop ENDIF $C L%1.dir
Note that in the DAK table the DAK key 3 must be blank.