Cisco 2650 - 2650 Router Specifications download pdf (Page 36)

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Cisco IOS Telephony Service, Version 2.02

Chapter 2 Required Configuration Tasks

Verification and Troubleshooting

Troubleshooting the Cisco IOS Telephony Service Router

To troubleshoot the Cisco IOS Telephony Service router, perform the following steps:

Step 1 Enter the show ephone command to display all registered phones. If no phones are registered, then

perform the following tasks:

a. Configure the Cisco IOS Telephony Service router.

b. Check DHCP configuration, including the default router and the TFTP server address (option 150).

c. Enter the dir command to check that the required files are in the router’s Flash memory.

d. Check that the tftp-server command is set for the required files.

e. Enter the debug ephone register mac-address command to display Cisco IP phone registration

activity.

f. Enter the debug ip dhcp command to confirm DHCP operation.

Step 2 Enter the show ephone command to display all registered phones. If phones are registered and are

displayed, then perform the following:

a. Check that the phone button binding to the directory number is correct.

b. Check that the Cisco IP phones show as registered.

c. Verify the IP parameter settings on the Cisco IP phone, using the Settings display on the phone.

d. Check that the keepalive count is being updated when you enter the show ephone command.

e. Reset the phone and observe the re-registration by entering the debug ephone register mac-address

command to display the Cisco IP phones.

f. Enter the show ephone-dn summary command to check the state of the Cisco IP phone lines.

g. Check the IP address of the phone and attempt to ping the address.

Step 3 Enter the debug ephone keepalive command to set keepalive debugging for the Cisco IP phones.

Step 4 Enter the debug ephone state command to set state debugging for the Cisco IP phones.

To troubleshoot other areas of the Cisco IOS Telephony Service router, use the following commands:

• To set detail debugging for a Cisco IP phone, use the debug ephone detail command.

• To set error debugging for a Cisco IP phone, use the debug ephone error command.

• To set message waiting indication (MWI) debugging for a Cisco IP phone, use the debug ephone

MWI command.

• To set call statistics debugging for a Cisco IP phone use the debug ephone statistics command.

• To provide voice-packet-level debugging and print the contents of one voice packet in every 1024

voice packets, use the debug ephone pak command.

• To provide raw low-level protocol debugging display for all SCCP messages, use the

debug ephone raw command.

• To provide debugging for local directory search, use the debug ip http token command.

• To troubleshoot HTTP authentication problems, use the debug ip http authentication command.

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Cisco 2650 - 2650 Router Specifications Page 36