Group Call - PTT function
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This article describes how to increase the volume of a group call announcement. The volume is set back to default value when the group call is ended.
Prerequisites
- This event is CPU extensive. Maximum members in a group using this feature should not exceed approx. 50 stations.
- Minimum software: AMC version 11.
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) tmp 0 "%gns(%2.phy,0)" LOOP IF %op(%tmp(0),=,0) STOP ENDIF $VOL N%tmp(0) U6 tmp 0 "%gns(%2.phy, %tmp(0))" ENDLOOP stop ENDIF tmp 0 "%gns(%2.phy,0)" LOOP IF %op(%tmp(0),=,0) STOP ENDIF $VOL N%tmp(0) U3 tmp 0 "%gns(%2.phy, %tmp(0))" ENDLOOP
In the action strings above, there are two lines that defines the volume. Volume during group call is set to 6 (U6) by the command:
$VOL N%tmp(0) U6
Volume is set to 3 (U3) when the group call is ended by the command:
$VOL N%tmp(0) U3
U6 and U3 can be changed to other values if required.
Note that a standard feature exists, which might be a better alternative: Group calls with "Setup Priority = Alarm" will automatically use the Volume Override feature of the AlphaCom, without any additional configuration required.