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Cisco IP Phone Administration Guide for Cisco CallManager 3.2, Cisco IP Phones 7960/7940/7910
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Chapter 7 Troubleshooting the Cisco IP Phone
Resolving Known Issues
Refer to the following table if you are having difficulty using your
7914 Expansion Module.
Table 7-3 Expansion Module Troubleshooting
Problem Solution
No display on the
7914 Expansion Module
Verify that all of the cable connections are correct.
Verify that you have power to the Expansion Module(s).
Lighted buttons on the first
7914 Expansion Module are all
red.
Verify that the 7914 Expansion Module is defined in
Cisco CallManager.
Lighted buttons on the second
7914 Expansion Module are all
amber.
Verify that the 7914 Expansion Module is defined in
Cisco CallManager.