Cisco 7925G Administration Guide - Page 74

Understanding the Phone Startup Process Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7925G Table 3-5 Cisco Unified Wireless IP Phone Startup Process (continued) Step Description Related Topics 3. Authenticating with access The Cisco Unified Wireless IP Phone 7925G begins the Authentication Methods, point authenticating process. page 2-16 • If set for Open, then any device can authenticate to the access point. For added security, static WEP encryption might optionally be used. • If set to Shared Key, the phone encrypts the challenge text using the WEP key and the access point must verify that the WEP key was used to encrypt the challenge text before network access is available. • If set for LEAP or EAP-FAST, then the user name and password are authenticated by the RADIUS server before network access is available. • If set for Auto (AKM), the phone looks for an access point with one of the following key management options enabled: - WPA, WPA2, or CCKM-The username and password are authenticated by the RADIUS server before network access is available. - WPA-Pre-shared key, WPA2-Pre-shared key-The phone authenticates with the access point using the pre-shared key. 4. Configuring IP network If the wireless IP phone is using DHCP to obtain an IP address, the phone queries the DHCP server to obtain one. If you are not using DHCP in your network, you must assign a static IP address to each phone locally. In addition to assigning an IP address, the DHCP server directs the wireless IP phone to a TFTP server. If the phone has a statically defined IP address, you must configure the TFTP server IP address locally on the phone; the phone then contacts the TFTP server directly. • Configuring DHCP Settings, page 5-6 • Disabling DHCP, page 5-6 • Resolving Startup and Connectivity Problems, page 10-1 5. Downloading Load ID The wireless IP phone checks to verify that the proper firmware is installed or if new firmware is available to download. • Phone Configuration Files and Profile Files, page 2-14 Cisco Unified Communications Manager informs devices using.cnf or.cnf.xml format configuration files of their load ID. Devices using.xml format configuration files receive the load ID in the configuration file. 6. Downloading config file The TFTP server has configuration files and profile files. A configuration file includes parameters for connecting to Cisco Unified Communications Manager and information about which image load a phone should be running. A profile file contains various parameters and values for phone and network settings. • Configuring an Alternate TFTP Server, page 5-7 • Phone Configuration Files and Profile Files, page 2-14 • Resolving Startup and Connectivity Problems, page 10-1 3-18 Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1) OL-15984-01