# Chanspy playback volume control does not work

**URL:** <https://community.asterisk.org/t/chanspy-playback-volume-control-does-not-work/90659>\
**Category:** Asterisk Dialplan\
**Created:** [November 17, 2021, 2:22pm UTC](https://community.asterisk.org/t/chanspy-playback-volume-control-does-not-work/90659 "2021-11-17T14:22:48Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![xaled](https://avatars.discourse-cdn.com/v4/letter/x/f475e1/32.png) [@xaled](https://community.asterisk.org/u/xaled)\
**Post date:** [November 17, 2021, 2:22pm UTC](https://community.asterisk.org/t/chanspy-playback-volume-control-does-not-work/90659/1 "2021-11-17T14:22:48Z")

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Hi,

the chanspy volume control for audio playback does not work for some reason. I tried all the negative values and it did not make the played audio quieter

same =\> n,ChanSpy(PJSIP/test-${EXTEN},qBv(-4))

The goal is to hear the other party while chanspy plays the audio to stop the playback if needed. Because the playback it too loud the other party can not be heard.

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**Author:** ![david551](https://avatars.discourse-cdn.com/v4/letter/d/3bc359/32.png) [@david551](https://community.asterisk.org/u/david551)\
**Post date:** [November 17, 2021, 3:41pm UTC](https://community.asterisk.org/t/chanspy-playback-volume-control-does-not-work/90659/2 "2021-11-17T15:41:39Z")

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v controls spying volume. If I understand your non-standard use you are only whispering, in which case there isn’t a control. You will have to control amplitude at the source.

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**Author:** ![xaled](https://avatars.discourse-cdn.com/v4/letter/x/f475e1/32.png) [@xaled](https://community.asterisk.org/u/xaled)\
**Post date:** [November 20, 2021, 3:46pm UTC](https://community.asterisk.org/t/chanspy-playback-volume-control-does-not-work/90659/3 "2021-11-20T15:46:08Z")

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Ok, got it than you.

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**Author:** ![system](https://global.discourse-cdn.com/asterisk/original/2X/4/475d0c889911cfb84ac4881ad6df8b523e3f9105.png) [@system](https://community.asterisk.org/u/system)\
**Post date:** [December 20, 2021, 3:46pm UTC](https://community.asterisk.org/t/chanspy-playback-volume-control-does-not-work/90659/4 "2021-12-20T15:46:40Z")

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