Polycom SoundPoint 650 - Volume Adjustment
Press the volume keys to adjust handset, headset, and hands-free speaker volume during a call.

Pressing these keys in idle state adjusts the ringer volume.

Note - To conform to regulatory requirements, handset and headset volume will return to a preset level after each call, but the configuration can be changed by your system administrator.

Hands-free Speakerphone volume settings will be maintained across calls.

SoundPoint 335


SoundPoint 430