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IP Phone
MCS 7800 Series
Administration manual
Cisco 7800 Series Administration Manual page 9
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Also See for 7800 Series
:
Administration manual
(360 pages)
,
Administrator's manual
(234 pages)
,
User manual
(112 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Phone Cannot Connect to TFTP Server
Phone Cannot Connect to Server
Phone Cannot Connect Using DNS
Cisco Unified Communications Manager and TFTP Services Are Not Running
Configuration File Corruption
Cisco Unified Communications Manager Phone Registration
Cisco IP Phone Cannot Obtain IP Address
Phone Reset Problems
195
Phone Resets Due to Intermittent Network Outages
Phone Resets Due to DHCP Setting Errors
Phone Resets Due to Incorrect Static IP Address
Phone Resets During Heavy Network Usage
Phone Resets Due to Intentional Reset
Phone Resets Due to DNS or Other Connectivity Issues
Phone Does Not Power Up
Phone Cannot Connect to LAN
Cisco IP Phone Security Problems
CTL File Problems
197
Authentication Error, Phone Cannot Authenticate CTL File
Phone Cannot Authenticate CTL File
CTL File Authenticates but Other Configuration Files Do Not Authenticate
ITL File Authenticates but Other Configuration Files Do Not Authenticate
TFTP Authorization Fails
Phone Does Not Register
Signed Configuration Files Are Not Requested
Audio Problems
199
No Speech Path
199
Choppy Speech
200
Troubleshooting Procedures
Check TFTP Settings
200
Determine DNS or Connectivity Issues
Check DHCP Settings
201
Create a New Phone Configuration File
Verify DNS Settings
203
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager
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Table of Contents
Troubleshooting
Cisco IP Phone Troubleshooting
167
Troubleshooting
203
Choppy Speech
214
Additional Troubleshooting Information
219
Voice Quality Monitoring
224
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IP Phone Cisco 7800 Series User Manual
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IP Phone Cisco 7800 Series Firmware Migration Master Manual
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This manual is also suitable for:
7821
7811
7861
7841
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