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... 8-5 Symptom: Cisco Unified IP Phone Unable to Obtain IP Address 8-6 Cisco Unified IP Phone Resets Unexpectedly 8-6 Verifying Physical Connection 8-6 Identifying Intermittent Network Outages 8-7 Verifying DHCP Settings 8-7 Checking Static IP Address Settings 8-7 Verifying Voice VLAN Configuration 8-7 Verifying that the Phones Have Not Been Intentionally Reset 8-8 Eliminating DNS or Other Connectivity Errors 8-8 Troubleshooting Cisco Unified IP Phone Security 8-9 General Troubleshooting Tips 8-10 Cisco Unified IP Phone 7960G/7940G...
... 8-5 Symptom: Cisco Unified IP Phone Unable to Obtain IP Address 8-6 Cisco Unified IP Phone Resets Unexpectedly 8-6 Verifying Physical Connection 8-6 Identifying Intermittent Network Outages 8-7 Verifying DHCP Settings 8-7 Checking Static IP Address Settings 8-7 Verifying Voice VLAN Configuration 8-7 Verifying that the Phones Have Not Been Intentionally Reset 8-8 Eliminating DNS or Other Connectivity Errors 8-8 Troubleshooting Cisco Unified IP Phone Security 8-9 General Troubleshooting Tips 8-10 Cisco Unified IP Phone 7960G/7940G...
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... No • Enter static IP address for phone • Enter subnet mask • Enter default router IP addresses • Enter domain name where phone resides Set Alternate TFTP Server to assign an alternative TFTP server instead of phones. 7. See the "Configuring Security on the Cisco Provides protection against data tampering threats and identity Unified IP Phone" section on the...
... No • Enter static IP address for phone • Enter subnet mask • Enter default router IP addresses • Enter domain name where phone resides Set Alternate TFTP Server to assign an alternative TFTP server instead of phones. 7. See the "Configuring Security on the Cisco Provides protection against data tampering threats and identity Unified IP Phone" section on the...
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...file. Depending on your network, you must assign static IP addresses to each phone locally. • Resolving Startup Problems, page 8-1. 5. Table 2-3 Cisco Unified IP Phone 7960G and 7940G Startup Process Task Description Related Topics...IP address. • Resolving Startup Problems, page 8-1. 4. The phone needs to know its software and hardware. 3. Understanding the Phone Startup Process Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process When connecting to the VoIP network, the Cisco Unified IP Phone...
...file. Depending on your network, you must assign static IP addresses to each phone locally. • Resolving Startup Problems, page 8-1. 5. Table 2-3 Cisco Unified IP Phone 7960G and 7940G Startup Process Task Description Related Topics...IP address. • Resolving Startup Problems, page 8-1. 4. The phone needs to know its software and hardware. 3. Understanding the Phone Startup Process Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process When connecting to the VoIP network, the Cisco Unified IP Phone...
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..., and Security Information on the Cisco Unified IP Phone Table 6-1 Status Messages on the Cisco Unified IP Phones 7960G and 7940G (continued) Message Description Possible Explanation and Action CFG file not found The name-based and default configuration file was not found on assigning a static IP address. You must manually add the phone to Cisco Unified Communications Manager if you...
..., and Security Information on the Cisco Unified IP Phone Table 6-1 Status Messages on the Cisco Unified IP Phones 7960G and 7940G (continued) Message Description Possible Explanation and Action CFG file not found The name-based and default configuration file was not found on assigning a static IP address. You must manually add the phone to Cisco Unified Communications Manager if you...
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...IP address assigned to the phone. • If the phone has a static IP address, verify that the load ID is of the wrong type. tones.xml • Located in DNS. • Consider using DHCP, check the DHCP server configuration. The phone remains idle until it is down-Check configuration of the TFTP server or Cisco...changed. kate.xml The phone has been configured to the phone (from Cisco Unified Communications Manager, choose Device > Phone). Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco Unified IP Phone Status Menu Table 6-1 ...
...IP address assigned to the phone. • If the phone has a static IP address, verify that the load ID is of the wrong type. tones.xml • Located in DNS. • Consider using DHCP, check the DHCP server configuration. The phone remains idle until it is down-Check configuration of the TFTP server or Cisco...changed. kate.xml The phone has been configured to the phone (from Cisco Unified Communications Manager, choose Device > Phone). Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco Unified IP Phone Status Menu Table 6-1 ...
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...; If you are using DHCP, verify that the phone load file is not compatible with the phone's hardware. Cisco Unified IP Phone 7960G/7940G Administration Guide for additional assistance. See the "Network Configuration Menu" section on the phone. Attempt to a directory that does • If you are using static IP addresses, check configuration of TFTP server. make sure...
...; If you are using DHCP, verify that the phone load file is not compatible with the phone's hardware. Cisco Unified IP Phone 7960G/7940G Administration Guide for additional assistance. See the "Network Configuration Menu" section on the phone. Attempt to a directory that does • If you are using static IP addresses, check configuration of TFTP server. make sure...
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...a static IP address, the phone may be a problem with the wrong TFTP server address. Network Statistics Screen The Network Statistics displays information about the phone and network performance. Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco Unified IP Phone Status ... might appear in this file. Table 6-2 explains components of error packets received by the phone OL-15498-01 Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP) 6-7 To exit the Network Statistics screen, press the ...
...a static IP address, the phone may be a problem with the wrong TFTP server address. Network Statistics Screen The Network Statistics displays information about the phone and network performance. Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco Unified IP Phone Status ... might appear in this file. Table 6-2 explains components of error packets received by the phone OL-15498-01 Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP) 6-7 To exit the Network Statistics screen, press the ...
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... Server 1 option. Verifying TFTP Server Settings The Cisco Unified IP Phone uses the TFTP Server 1 setting to identify the primary TFTP server used by pressing the Settings button on page 4-4. If you have assigned a static IP address to the phone, you with a Cisco Unified Communications Manager server only if the phone has been added to the TFTP Server...
... Server 1 option. Verifying TFTP Server Settings The Cisco Unified IP Phone uses the TFTP Server 1 setting to identify the primary TFTP server used by pressing the Settings button on page 4-4. If you have assigned a static IP address to the phone, you with a Cisco Unified Communications Manager server only if the phone has been added to the TFTP Server...
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... Communications Manager 7.0 (SCCP) 8-4 OL-15498-01 If you are unable to the phone, you have assigned a static IP address to start up properly. If none of the assigned Cisco Unified Communications Manager group. On the Cisco Unified IP Phone, press the Settings button, choose Network Configuration, and look at the following options: • DHCP Server-If you...
... Communications Manager 7.0 (SCCP) 8-4 OL-15498-01 If you are unable to the phone, you have assigned a static IP address to start up properly. If none of the assigned Cisco Unified Communications Manager group. On the Cisco Unified IP Phone, press the Settings button, choose Network Configuration, and look at the following options: • DHCP Server-If you...
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... them from the Cisco Unified Communications Manager database. Symptom: Cisco Unified IP Phone Unable to Obtain IP Address If a phone is unable to which calls can help you identify the cause of a phone resetting in your network: • Verifying Physical Connection, page 8-6 • Identifying Intermittent Network Outages, page 8-7 • Verifying DHCP Settings, page 8-7 • Checking Static IP Address Settings...
... them from the Cisco Unified Communications Manager database. Symptom: Cisco Unified IP Phone Unable to Obtain IP Address If a phone is unable to which calls can help you identify the cause of a phone resetting in your network: • Verifying Physical Connection, page 8-6 • Identifying Intermittent Network Outages, page 8-7 • Verifying DHCP Settings, page 8-7 • Checking Static IP Address Settings...
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... have entered the correct settings. OL-15498-01 Cisco Unified IP Phone 7960G/7940G Administration Guide for details. Chapter 8 Troubleshooting and Maintenance Cisco Unified IP Phone Resets Unexpectedly Identifying Intermittent Network Outages Intermittent network outages affect data and voice traffic differently. Checking Static IP Address Settings If the phone has been assigned a static IP address, verify that the DHCP server has...
... have entered the correct settings. OL-15498-01 Cisco Unified IP Phone 7960G/7940G Administration Guide for details. Chapter 8 Troubleshooting and Maintenance Cisco Unified IP Phone Resets Unexpectedly Identifying Intermittent Network Outages Intermittent network outages affect data and voice traffic differently. Checking Static IP Address Settings If the phone has been assigned a static IP address, verify that the DHCP server has...
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... MAC address to this Cisco Unified IP Phone. Power cycle the phone: • If the phone receives power from an external power source, unplug the Ethernet cable from the Network port on the phone, then unplug the power supply from Cisco Unified Communications Manager administration. Disable DHCP. Assign static IP values to the phone. If the phone was recently reset one...
... MAC address to this Cisco Unified IP Phone. Power cycle the phone: • If the phone receives power from an external power source, unplug the Ethernet cable from the Network port on the phone, then unplug the power supply from Cisco Unified Communications Manager administration. Disable DHCP. Assign static IP values to the phone. If the phone was recently reset one...