Find Information About Your Phone; Hardware Diagnostics; Perform Wlan Diagnostics - Cisco 8821 User Manual

Troubleshooting
Symptom
The phone shows an error message
when you attempt to set up Call
Forward All

Find Information About Your Phone

Your administrator may ask for information about your phone. This information uniquely identifies the phone
for troubleshooting purposes. The information in the menu is read-only. For more information about the menu,
see the Cisco Cisco Wireless IP Phone 8821 and 8821EX Administration Guide for Cisco Unified
Communications Manager.
Procedure
Step 1
Access the Settings app.
Step 2 Select Phone information.

Hardware Diagnostics

You can run some diagnostic tests on your phone.

Perform WLAN Diagnostics

You can check the Wi-Fi connection for your phone. The phone lists the access points in order, from the
strongest signal to the weakest or offline access point. You can then view details of the wireless access point.
Procedure
Step 1
Access the Settings app.
Step 2 Select Admin settings > Diagnostics > WLAN.
Step 3 Press Continue.
Step 4 Scroll to an access point and press Select to see detailed information about the access point.
Explanation
Your phone may reject your attempt to set up Call Forward All
directly on the phone if the target number that you enter would
create a Call Forward All loop or would exceed the maximum
number of links permitted in a Call Forward All chain (also known
as a maximum hop count).
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
Find Information About Your Phone
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