Asterisk func volume
Syntax:VOLUME(TX|RX) In 1.8: VOLUME(TX|RX[,options])
Synopsis:Set the TX or RX volume of a channel (New in 1.6)
Arguments:
- direction — Must be 'TX' or 'RX'.
- options — p: Enable DTMF volume control
Description:The VOLUME function can be used to increase or decrease the tx or rx gain of any channel.
Example:Set(VOLUME(TX)=3) Set(VOLUME(RX)=2) Set(VOLUME(TX,p)=3)
Notes:
- In addition to setting the volume, once this function has been called, it will monitor the channel for '*' and '#'. If one of those keys is pressed, the volume will be increased or reduced, respectively. In 1.8, however, there is an optional parameter for volume adjustment to be enabled, see "core show function VOLUME" for more.
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