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Phone Resets Due To Access Point Setup; Phone Resets Due To Intermittent Network Outages; Phone Resets Due To Dhcp Setting Errors; Phone Resets Due To Incorrect Static Ip Address - Cisco 8821 Administration Manual

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Troubleshooting
Typically, a phone resets if it has problems in connecting to the network or to Cisco Unified Communications
Manager.

Phone Resets Due to Access Point Setup

Problem
The AP may not be configured correctly.
Solution
Verify that the wireless configuration is correct. For example, check if the particular access point or switch
to which the phone is connected is down.

Phone Resets Due to Intermittent Network Outages

Problem
Your network may be experiencing intermittent outages.
Solution
Intermittent network outages affect data and voice traffic differently. Your network might be experiencing
intermittent outages without detection. If so, data traffic can resend lost packets and verify that packets are
received and transmitted. However, voice traffic cannot recapture lost packets. Rather than retransmitting a
lost network connection, the phone resets and attempts to reconnect to the network. Contact the system
administrator for information on known problems in the voice network.

Phone Resets Due to DHCP Setting Errors

Problem
The DHCP settings may be incorrect.
Solution
Verify that you have properly configured the phone to use DHCP. Verify that the DHCP server is set up
properly. Verify the DHCP lease duration. We recommend that you set the lease duration to 8 days.
Related Topics
Check DHCP Settings, on page 126

Phone Resets Due to Incorrect Static IP Address

Problem
The static IP address assigned to the phone may be incorrect.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
Phone Resets Due to Access Point Setup
119
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