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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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... Server to Yes Enter IP address for TFTP Server 1 To disable DHCP: • Set DHCP Enabled to 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 Cisco Unified IP Phone 7960G/7940G Series Phone Guide for Cisco Unified Communications Manager...
... Server to Yes Enter IP address for TFTP Server 1 To disable DHCP: • Set DHCP Enabled to 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 Cisco Unified IP Phone 7960G/7940G Series Phone Guide for Cisco Unified Communications Manager...
Administration Guide
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... static IP addresses to each phone locally. • Resolving Startup Problems, page 8-1. 5. Depending on your Cisco Unified IP Phone. the phone then contacts the TFTP server directly. • Resolving Startup Problems, page 8-1. Load the stored phone image. 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...
... static IP addresses to each phone locally. • Resolving Startup Problems, page 8-1. 5. Depending on your Cisco Unified IP Phone. the phone then contacts the TFTP server directly. • Resolving Startup Problems, page 8-1. Load the stored phone image. 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...
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..., the TFTP server generates a CFG File Not Found response. • Phone is not registered with Cisco Unified Communications Manager Administration" section on the TFTP Server. If the phone has not been added to Cisco Unified Communications Manager if you are using static IP addresses, check configuration of the phone firmware and place it in the TFTPPath directory.
..., the TFTP server generates a CFG File Not Found response. • Phone is not registered with Cisco Unified Communications Manager Administration" section on the TFTP Server. If the phone has not been added to Cisco Unified Communications Manager if you are using static IP addresses, check configuration of the phone firmware and place it in the TFTPPath directory.
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.... glyphs.xml - See the "Network Configuration Menu" section on page 4-4 section for Cisco Unified Communications Manager 7.0 (SCCP) 6-5 Load ID of the software file is power cycled or you are using the IP address assigned to the phone. • If the phone has a static IP address, verify that the following files are configured properly in subdirectory with...
.... glyphs.xml - See the "Network Configuration Menu" section on page 4-4 section for Cisco Unified Communications Manager 7.0 (SCCP) 6-5 Load ID of the software file is power cycled or you are using the IP address assigned to the phone. • If the phone has a static IP address, verify that the following files are configured properly in subdirectory with...
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.... See the "Network Configuration Menu" section on page 4-4 for the phone. Cisco Unified IP Phone 7960G/7940G Administration Guide for additional assistance. Re-enter the load displayed on assigning a TFTP server. DHCP or static configuration did not specify a DNS server address. • If the phone has a static IP address, verify that the DNS server has been configured. Name...
.... See the "Network Configuration Menu" section on page 4-4 for the phone. Cisco Unified IP Phone 7960G/7940G Administration Guide for additional assistance. Re-enter the load displayed on assigning a TFTP server. DHCP or static configuration did not specify a DNS server address. • If the phone has a static IP address, verify that the DNS server has been configured. Name...
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...specify the correct TFTP server. • If the phone is using a static IP address, the phone may be found in this screen. Table 6-2 explains components of text messages that the proper TFTP servers are included in the phone's CTL. • The DHCP server is not ... Message Components Message Component Rcv Frames Xmt REr Description Number of packets received by the phone Number of packets transmitted by the phone OL-15498-01 Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP) 6-7 In this case, enter the correct TFTP server...
...specify the correct TFTP server. • If the phone is using a static IP address, the phone may be found in this screen. Table 6-2 explains components of text messages that the proper TFTP servers are included in the phone's CTL. • The DHCP server is not ... Message Components Message Component Rcv Frames Xmt REr Description Number of packets received by the phone Number of packets transmitted by the phone OL-15498-01 Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP) 6-7 In this case, enter the correct TFTP server...
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... you must manually enter a setting for more information. Check the IP address configured in the "Adding Phones to use an alternate TFTP server. You can register with a Cisco Unified Communications Manager server only if the phone has been added to the phone, you have assigned a static IP address to the server or if auto-registration is particularly...
... you must manually enter a setting for more information. Check the IP address configured in the "Adding Phones to use an alternate TFTP server. You can register with a Cisco Unified Communications Manager server only if the phone has been added to the phone, you have assigned a static IP address to the server or if auto-registration is particularly...
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... you are not running , many devices will be affected. Verifying Cisco Unified Communications Manager Settings On the Cisco Unified IP Phone, press the Settings button, choose Network Configuration, and look -ups. See the "Registering the Phone with Cisco Unified Communications Manager. However, if you have assigned a static IP address to do not need to Troubleshooting Switch Port Problems...
... you are not running , many devices will be affected. Verifying Cisco Unified Communications Manager Settings On the Cisco Unified IP Phone, press the Settings button, choose Network Configuration, and look -ups. See the "Registering the Phone with Cisco Unified Communications Manager. However, if you have assigned a static IP address to do not need to Troubleshooting Switch Port Problems...
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... 8-7 • Verifying DHCP Settings, page 8-7 • Checking Static IP Address Settings, page 8-7 • Verifying Voice VLAN Configuration, page 8-7 • Verifying that the Phones Have Not Been Intentionally Reset, page 8-8 • Eliminating DNS ...Cisco Unified IP Phone is connected is up , the phone may be removed from the Cisco Unified Communications Manager TFTP server. Typically, a phone resets if it starts up . The directory numbers are stable, a Cisco Unified IP Phone should investigate the cause. The phone's directory number or numbers remain in the Cisco...
... 8-7 • Verifying DHCP Settings, page 8-7 • Checking Static IP Address Settings, page 8-7 • Verifying Voice VLAN Configuration, page 8-7 • Verifying that the Phones Have Not Been Intentionally Reset, page 8-8 • Eliminating DNS ...Cisco Unified IP Phone is connected is up , the phone may be removed from the Cisco Unified Communications Manager TFTP server. Typically, a phone resets if it starts up . The directory numbers are stable, a Cisco Unified IP Phone should investigate the cause. The phone's directory number or numbers remain in the Cisco...
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...phone has been assigned a static IP address, verify that you have a voice VLAN configured. Isolating the phones on page 4-4 for more information. See the "Network Configuration Menu" section on a separate auxiliary VLAN increases the quality of the voice traffic. Your network might have entered the correct settings. Chapter 8 Troubleshooting and Maintenance Cisco Unified IP Phone... VLAN Configuration If the Cisco Unified IP Phone appears to reset during heavy network usage (for Cisco Unified Communications Manager 7.0 (SCCP) 8-7 Cisco recommends that packets are experiencing...
...phone has been assigned a static IP address, verify that you have a voice VLAN configured. Isolating the phones on page 4-4 for more information. See the "Network Configuration Menu" section on a separate auxiliary VLAN increases the quality of the voice traffic. Your network might have entered the correct settings. Chapter 8 Troubleshooting and Maintenance Cisco Unified IP Phone... VLAN Configuration If the Cisco Unified IP Phone appears to reset during heavy network usage (for Cisco Unified Communications Manager 7.0 (SCCP) 8-7 Cisco recommends that packets are experiencing...
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... . Assign static IP values to the phone. Next, reconnect the power supply and then reconnect the Ethernet cable. If the phone was recently reset one else has intentionally reset the phones. From Cisco Unified Communications Manager, choose Device > Phone and verify that no one of these steps to eliminate DNS or other functioning Cisco Unified IP Phones. Cisco Unified IP Phone 7960G/7940G...
... . Assign static IP values to the phone. Next, reconnect the power supply and then reconnect the Ethernet cable. If the phone was recently reset one else has intentionally reset the phones. From Cisco Unified Communications Manager, choose Device > Phone and verify that no one of these steps to eliminate DNS or other functioning Cisco Unified IP Phones. Cisco Unified IP Phone 7960G/7940G...