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... 9-7 Checking Power Connection 9-8 Troubleshooting Cisco Unified IP Phone Security 9-8 General Troubleshooting Tips 9-9 Resetting or Restoring the Cisco Unified IP Phone 9-12 Performing a Basic Reset 9-12 Performing a Factory Reset 9-12 Monitoring the Voice Quality of Calls 9-13 Troubleshooting Tips 9-14 Where to Go for More Troubleshooting Information 9-15 Cleaning the Cisco Unified IP Phone 9-15 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP...
... 9-7 Checking Power Connection 9-8 Troubleshooting Cisco Unified IP Phone Security 9-8 General Troubleshooting Tips 9-9 Resetting or Restoring the Cisco Unified IP Phone 9-12 Performing a Basic Reset 9-12 Performing a Factory Reset 9-12 Monitoring the Voice Quality of Calls 9-13 Troubleshooting Tips 9-14 Where to Go for More Troubleshooting Information 9-15 Cleaning the Cisco Unified IP Phone 9-15 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP...
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...factory reset on page 4-9 for more information. See the "Security Configuration Menu" section on page 4-9 for more information. • Enter MD5 Shared Secret-If you do not disable this port and subsequently attempt to attach a PC to it . The switch configuration determines whether you can add IP phones to the system. 1-22 Cisco Unified IP Phone 6921, 6941..., 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP) OL-23769...
...factory reset on page 4-9 for more information. See the "Security Configuration Menu" section on page 4-9 for more information. • Enter MD5 Shared Secret-If you do not disable this port and subsequently attempt to attach a PC to it . The switch configuration determines whether you can add IP phones to the system. 1-22 Cisco Unified IP Phone 6921, 6941..., 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP) OL-23769...
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...Authentication, choose Applications > Admin Settings > Security Configuration > 802.1X Authentication Status. 4-10 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for assistance in this format: CP--SEP- 1. Press ...factory reset of the phone's model number and unique MAC address displayed in recovering from a deleted shared secret. Press the Save softkey. Displays the transaction status of numbers or letters. Choose Applications > Admin Settings > Security Config > 802.1X Authentication > Device Authentication. 2. See the "Troubleshooting Cisco Unified IP Phone...
...Authentication, choose Applications > Admin Settings > Security Configuration > 802.1X Authentication Status. 4-10 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for assistance in this format: CP--SEP- 1. Press ...factory reset of the phone's model number and unique MAC address displayed in recovering from a deleted shared secret. Press the Save softkey. Displays the transaction status of numbers or letters. Choose Applications > Admin Settings > Security Config > 802.1X Authentication > Device Authentication. 2. See the "Troubleshooting Cisco Unified IP Phone...
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... external power supply instead. - For instructions, see the "Performing a Factory Reset" section on . The phone cannot successfully start up properly: • Identifying Error Messages, page 9-3 • Checking Network Connectivity, page 9-3 • Verifying TFTP Server Settings, page 9-3 • Verifying IP Addressing and Routing, page 9-3 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for additional assistance. Exchange the...
... external power supply instead. - For instructions, see the "Performing a Factory Reset" section on . The phone cannot successfully start up properly: • Identifying Error Messages, page 9-3 • Checking Network Connectivity, page 9-3 • Verifying TFTP Server Settings, page 9-3 • Verifying IP Addressing and Routing, page 9-3 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for additional assistance. Exchange the...
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... is required for information on enabling 802.1X on the phone. If the shared secret is not enabled on the phone. Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for the Cisco Unified IP Phone. Factory Reset Deleted 802.1X Shared Secret Phone cannot obtain a DHCP-assigned IP address Phone does not register with Cisco Unified Communications Manager These errors typically indicate that 802.1X...
... is required for information on enabling 802.1X on the phone. If the shared secret is not enabled on the phone. Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for the Cisco Unified IP Phone. Factory Reset Deleted 802.1X Shared Secret Phone cannot obtain a DHCP-assigned IP address Phone does not register with Cisco Unified Communications Manager These errors typically indicate that 802.1X...
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.... Alternatively, you can also follow these operations after the phone has started up. To reset the CTL file, press the Applications Resets the CTL file. To perform a factory reset of these steps: 9-12 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for your situation. Table 9-3 Basic Reset Methods Operation Restart phone Reset Settings Performing Explanation Press the Services, Applications, or...
.... Alternatively, you can also follow these operations after the phone has started up. To reset the CTL file, press the Applications Resets the CTL file. To perform a factory reset of these steps: 9-12 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for your situation. Table 9-3 Basic Reset Methods Operation Restart phone Reset Settings Performing Explanation Press the Services, Applications, or...
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...quality metrics from the Cisco Unified IP Phone by using the Call Statistics screen (see the Monitoring the Cisco Unified IP Phone Remotely chapter). Do not power down the phone until it completes the factory reset process, and the ...factory reset process. You will need to mask frame loss in the voice packet stream. • Concealment Ratio metrics-Show the ratio of Calls Procedure Step 1 Step 2 While powering up the phone, press and hold #. The DSP plays concealment frames to start over total speech frames. Depending on concealment events. Cisco Unified IP Phone 6921, 6941...
...quality metrics from the Cisco Unified IP Phone by using the Call Statistics screen (see the Monitoring the Cisco Unified IP Phone Remotely chapter). Do not power down the phone until it completes the factory reset process, and the ...factory reset process. You will need to mask frame loss in the voice packet stream. • Concealment Ratio metrics-Show the ratio of Calls Procedure Step 1 Step 2 While powering up the phone, press and hold #. The DSP plays concealment frames to start over total speech frames. Depending on concealment events. Cisco Unified IP Phone 6921, 6941...
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...R Real-Time Control Protocol See RTCP Real-Time Transport Protocol See RTP redial 5-12, F-4 remote port configuration 5-13 reset, factory 9-12 reset settings on phone 9-12 resetting basic 9-12 Cisco Unified IP phone 9-12 continuously 9-6 intentionally 9-7 methods 9-12 ringer, indicator for 1-2, 1-4, 1-7 ringer volume control F-3 ring setting 5-13... speakerphone, description of 1-8 speakerphone button, description of 1-3, 1-5 speed dialing 5-14, F-4 IN-8 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP) OL-23769-01
...R Real-Time Control Protocol See RTCP Real-Time Transport Protocol See RTP redial 5-12, F-4 remote port configuration 5-13 reset, factory 9-12 reset settings on phone 9-12 resetting basic 9-12 Cisco Unified IP phone 9-12 continuously 9-6 intentionally 9-7 methods 9-12 ringer, indicator for 1-2, 1-4, 1-7 ringer volume control F-3 ring setting 5-13... speakerphone, description of 1-8 speakerphone button, description of 1-3, 1-5 speed dialing 5-14, F-4 IN-8 Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP) OL-23769-01