silent button doesn't work when using bluetooth speakers

[sevku]

When connected to bluetooth speakers, the silent button has no effect on my Lenovo B50-30.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: unity-control-center 15.04.0+15.10.20150923-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Nov 16 13:05:31 2015
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2015-08-13 (94 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcEnviron:
 PATH=(custom, no user)
 SHELL=/bin/bash
 LANG=de_DE.UTF-8
 LANGUAGE=de_DE
 XDG_RUNTIME_DIR=<set>
SourcePackage: unity-control-center
UpgradeStatus: Upgraded to wily on 2015-10-27 (19 days ago)

[Sebastien Bacher (seb128)]

Thank you for your bug report. What do you mean "silent button"? Could you make a screenshot showing the control or describe a bit more what you are doing?

[Launchpad Janitor (janitor)]

[Expired for unity-control-center (Ubuntu) because there has been no activity for 60 days.]