Cisco 7931G Administration Guide - Page 24

What Networking Protocols Are Used? Chapter 1 An Overview of the Cisco Unified IP Phone By default, line button 21 accesses a voice messaging system, line button 22 displays the Directories menu, line button 23 activates a headset, and line button 24 displays the Application menu. To change these programmable button assignments, use Cisco Communications Manager Administration. For additional information, see the "Modifying Phone Button Templates" section on page 5-20. Be default, while a phone is starting up and before it registers with Cisco Unified Communications Manager, the last softkey on the right becomes the Settings softkey. By pressing this key, you can access the phone configuration menus. In this way, you can make configuration changes if needed to allow the phone to successfully complete its startup and registration process, and you can obtain information for troubleshooting. There is an option in the phone configuration file that blocks access to phone settings. If the phone has previously registered and downloaded a configuration that blocks access to settings, the Settings softkey is not available. In this case, you must perform a factory reset of the phone to cause the Settings softkey to appear. 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 7931G supports. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.0 1-6 OL-12457-01