Cisco 7975G - Unified IP Phone VoIP Resolução de problemas e manutenção - Página 12

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General Telephone Call Problems

Solution

When at least one person in a call does not receive audio, IP connectivity between phones is not established.

Check the configuration of routers and switches to ensure that IP connectivity is properly configured.

General Telephone Call Problems

This section describes troubleshooting of general telephone call problems.

VPN-Connected Phone Does Not Log Calls

Problem

A remote location (home office) phone that is connected through the VPN does not log missed, placed, or

received calls.

Cause

Without explicitly setting the Alternate TFTP setting, the Cisco IP Phone cannot contact the TFTP server and

download the configuration and other files, and function properly.

Solution

Set up the phone to use the Alternate TFTP server and configure the TFTP server IP address.

These procedures can be used to identify and correct problems.

Set Up Remote Phone

Cisco IP Phones that are configured for SSL VPN to ASA using the built-in client in a remote location (for

example, a home office) have a special configuration requirement.

Troubleshooting and Maintenance

Set Up Remote

Phone, on page 12

Troubleshooting and Maintenance