Hello! According to HSP 1.2 specification, section 4.7 Remote Audio Volume Control, Support for remote audio volume control is optional, so an implementation may support none, either, or both of the controls for microphone volume and speaker volume. According to HSP 1.2 specification, section 5.3 SDP Interoperability Requirements, bluetooth device with HSP profile announce via SDP "Remote audio volume control" field information if device itself supports volume control. But currently I did not found any way how to access "Remote audio volume control" SDP field in (pulseaudio) application as bluez does not export it. Can you please export this field? E.g. for HFP profile all optional features from SDP are passed to NewConnection() DBus method via fd_properties dictionary under Features key. Could you export that "Remote audio volume control" bit for HSP profile in Features key? And in same way, this needs to be handled also in RegisterProfile() DBus method. -- Pali Rohár pali.rohar@xxxxxxxxx
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