Press the Volume keys to adjust the handset, headset and hands-free speaker volume during a call on your Polycom SoundPoint 650 phone.
Pressing these keys in the 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.