Cisco 7970G Administration Guide - Page 22

What Networking Protocols Are Used? Chapter 1 An Overview of the Cisco Unified IP Phone 9 Volume button 10 Speaker button Controls the handset, headset, and speakerphone volume (off-hook) and the ringer volume (on-hook). Toggles the speakerphone on or off. 11 Mute button Toggles the Mute feature on or off. 12 Headset button Toggles the headset on or off. 13 Navigation button Allows you to scroll through menus and highlight items. When the phone is on-hook, displays phone numbers from your Placed Calls log. 14 Keypad 15 Softkey buttons Allows you to dial phone numbers, enter letters, and choose menu items. Each activates a softkey option (displayed on your touchscreen). 16 Handset light strip Indicates an incoming call or new voice message. 17 Touchscreen Shows phone features. What Networking Protocols Are Used? Cisco Unified IP Phones support several industry-standard and Cisco networking protocols required for voice communication. Table 1-1 provides an overview of the networking protocols that the Cisco Unified IP Phone 7970 Series supports. Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 6.1 1-4 OL-14626-01