DescriptionNameCallout
Number
Press the top or bottom to raise or lower the volume.Volume
This is the top and bottom of the right
cup face.
5
Controls the call functions, based on the call state:
• Incoming calls
• Answer a call: Press once.
• Reject a call: Press twice.
• Active calls
• Hold a call: Press once.
• End a call: Press and hold until you hear a
tone.
Call button
This is the center of the left cup and is
marked with a dot.
6
Toggles the microphone on and off.
When muted, the Presence LED lights red and the
Mute button on the phone lights.
Mute
This is the button on the front of the left
cup.
7
Cisco IP Phone 7800 and 8800 Series Accessories Guide for Cisco Unified Communications Manager
22
Headsets
Cisco Headset 730 Buttons and Hardware