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IP Phone
7821
Administration manual
Cisco 7821 Administration Manual page 10
For cisco unified communications manager 10.0 (sip)
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Also See for 7821
:
Quick start manual
,
User manual
(94 pages)
,
Release notes
(16 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Contents
C H A P T E R 1 4
C H A P T E R 1 5
Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
x
802.1X Enabled on Phone but Phone Does Not Authenticate
802.1X Not Enabled
Factory Reset of Phone Has Deleted 802.1X Shared Secret
Audio Problems
187
No Speech Path
Choppy Speech
General Telephone Call Problems
Phone Call Cannot Be Established
Phone Does Not Recognize DTMF Digits or Digits Are Delayed
Troubleshooting Procedures
Check TFTP Settings
Determine DNS or Connectivity Issues
Check DHCP Settings
Create New Phone Configuration File
Identify 802.1X Authentication Problems
Verify DNS Settings
Start Service
192
Additional Troubleshooting Information
Control Debug Information from Cisco Unified Communications Manager
Maintenance
195
Basic Reset
195
Perform Factory Reset Phone Keypad
Perform Factory Reset from Phone Menu
Remove CTL File
197
Quality Report Tool
Voice Quality Monitoring
Voice Quality Troubleshooting Tips
Cisco IP Phone Cleaning
International User Support
Unified Communications Manager Endpoints Locale Installer
International Call Logging Support
186
187
187
188
188
189
189
189
190
191
191
192
193
196
196
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199
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199
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Table of Contents
Troubleshooting
Cisco IP Phone Troubleshooting
159
Troubleshooting
189
Troubleshooting Procedures
203
Additional Troubleshooting Information
207
Voice Quality Troubleshooting Tips
212
Related Manuals for Cisco 7821
IP Phone Cisco 7800 Series Administration Manual
(228 pages)
IP Phone Cisco 7800 Series Administration Manual
(198 pages)
IP Phone Cisco 7811 User Manual
Ip phone cisco unified communications manager 10.0 (sip) (102 pages)
IP Phone Cisco 7821 User Manual
For cisco unified communications manager 10.0 (sip) (94 pages)
IP Phone Cisco 7800 Series User Manual
(90 pages)
IP Phone Cisco 7811 User Manual
7800 series (74 pages)
IP Phone Cisco 8000 Series Installation Manual
Ip phones with multiplatform firmware (39 pages)
IP Phone Cisco 8851 User Manual
Unified ip phone (20 pages)
IP Phone Cisco 7821 User Manual
Cloud voice service (18 pages)
IP Phone Cisco 7821 Release Notes
Firmware release 10.1(1)sr1 (16 pages)
IP Phone Cisco 6921 Quick Installation Manual
(12 pages)
IP Phone Cisco 7821 Quick Start Manual
(7 pages)
IP Phone Cisco 7960 Quick Start Manual
(6 pages)
Telephone Cisco 7821 User Manual
(5 pages)
IP Phone Cisco 7821 Quick Reference
Unified communications manager (4 pages)
Telephone Cisco 7821 Getting Started
(2 pages)
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7841
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