Cisco 7920 Administration Guide - Page 56

Understanding the Phone Startup Process Chapter 2 An Overview of the Wireless Network Table 2-5 Cisco IP Phone Startup Process Step 1. Powering on the phone 2. Scanning for an access point Description Related Topics The Cisco Wireless IP Phone 7920 has non-volatile Flash memory in which it stores firmware images and user-defined preferences. At startup, the phone runs a bootstrap loader that loads a phone image stored in Flash memory. Using this image, the phone initializes its software and hardware. Providing Power to the Cisco IP Phone, page 3-17 Resolving Startup and Connectivity Problems, page 9-2 The Cisco Wireless IP Phone 7920 scans the RF coverage area with its radio. The phone scans its network profiles and searches for access points that have a matching SSID and authentication type. The phone associates with the access point with the highest RSSI and lowest channel utilization (QBSS) that matches with its network profile. Interacting with the Cisco Aironet Access Point, page 2-8 Resolving Startup and Connectivity Problems, page 9-2 2-22 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 4.0 and 4.1 OL-7104-01