Specifications

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Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Chapter 9 Troubleshooting the Cisco Unified Wireless IP Phone 7921G
General Troubleshooting Information
Locating Network
Services
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.
Authentication Failed The phone is unable to access the
WLAN, and the main phone
screen is not active.
The authentication server does not
accept the security credentials.
Verify that the security mode and
credentials are correct by viewing the
Network profile. For information about
accessing and changing Network
profiles, see the
“Configuring Network
Profile Settings” section on page 5-3.
Configuring IP The main phone screen is not
active.
The phone is attempting to obtain
network parameters such as its
IP
address, or the IP address of the
gateway or router from the DHCP
server.
Wait a few minutes for the phone to
obtain the network parameters.
If the phone unable to retrieve the
IP
address, then check that the DHCP
server is up and running.
Configuring CM List The main phone screen is not
active.
The phone is downloading its
configuration files from the TFTP
server.
Wait a few minutes for the phone to
download all of its configuration files.
Table 9-2 Common Phone Status Messages (continued)
Message Description Possible Explanation and Action