Cisco 7941G Administration Guide - Page 245
General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only
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Chapter 9 Troubleshooting and Maintenance General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only) Table 9-2 Cisco Unified IP Phone Troubleshooting (continued) Summary Explanation One-way audio. When at least one person in a call does not receive audio, IP connectivity between phones is not established. Check the configurations in routers and switches to ensure that IP connectivity is properly configured. Peer to peer image distribution fails. If the peer to peer image distribution fails, the phone will default to using the TFTP server to download firmware. Access the log messages stored on the remote logging machine to help debug the peer to peer image distribution feature. Note These log messages are different than the log messages sent to the phone log. Cisco VT Advantage/Unified Video If you are having problems getting CVTA to work, make sure Advantage (CVTA) that the PC Port is enabled, and that CDP is enabled on the PC port. General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only) Table 9-3 provides general troubleshooting information for the Cisco Unified IP Phone Expansion Module 7914. Table 9-3 Cisco Unified IP Phone Expansion Module 7914 Troubleshooting Problem Solution No display on the Cisco Verify that all of the cable connections are correct. Unified IP Phone Expansion Module Verify that you have power to the Cisco Unified IP Phone 7914. Expansion Module 7914 Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1 OL-14620-01 9-17