Troubleshooting
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General Troubleshooting
You can troubleshoot some general problems with your phone. If your problem is not discussed below, contact
your administrator.
Symptom
You cannot complete a call
General Troubleshooting, page 89
Find Information About Your Phone, page 91
Hardware Diagnostics, page 91
C H A P T E R
Explanation
One or more of the following factors might apply:
• Your phone is out of the wireless network access point service
area.
Note
When roaming with your phone, a green blinking
light indicates that the phone is still within the
wireless service coverage area.
• You must log in to the Extension Mobility service.
• You must enter a client matter code or forced authorization
code after you dial a number.
• Your phone has time-of-day restrictions that prevent you from
using some features during certain hours of the day.
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
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