Cisco 7921G Administration Guide - Page 200

General Troubleshooting Information Chapter 10 Troubleshooting the Cisco Unified Wireless IP Phone 7921G Note Voice quality metrics do not account for noise or distortion, only frame loss. General Troubleshooting Information The following topics provide general information and tips for troubleshooting the Cisco Unified Wireless IP Phone 7921G. • Common Phone Status Messages, page 10-14 • Troubleshooting Tips for the Cisco Unified Wireless IP Phone 7921G, page 10-15 • Logging Information for Troubleshooting, page 10-17 Common Phone Status Messages Table 10-2 provides a list of common status messages that display on the phone screen. The table provides possible causes and recommended actions to assist with troubleshooting the problem. Table 10-2 Common Phone Status Messages Message Network Busy Leaving Service Area Locating Network Services Description Possible Explanation and Action The phone is unable to complete a call. The WLAN is not able to allocate bandwidth for the phone to complete the call. Wait a few minutes and try the call again. If the problem persists, the WLAN might be congested. Consider increasing the WLAN bandwidth. The phone is unable to place or receive calls. The no signal icon displays on the phone screen. • The phone cannot detect any access point (AP) beacons. The phone is out of range of all APs. Move to a location that is within the coverage area. • The AP has failed. Run diagnostic tests on the AP and replace if defective. The phone is searching for an AP. The phone is searching all beacons and scanning for a channel and SSID to use. Wait for the phone to complete the searching and scanning process. Depending on the signal strength of the available WLAN, this process can take a few minutes. 10-14 Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified Communications Manager Release 7.0 OL-15985-01