Troubleshooting
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General Troubleshooting Information, page 1
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Startup Problems, page 3
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Phone Reset Problems, page 5
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Phone Cannot Connect to LAN, page 6
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Audio Problems, page 6
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General Telephone Call Problems, page 7
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Report All Phone Issues with the Configuration Utlility, page 8
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Troubleshooting Procedures, page 8
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Additional Troubleshooting Information, page 9
General Troubleshooting Information
The following table provides general troubleshooting information for the Cisco IP Phone.
Table 1: Cisco IP Phone Troubleshooting
ExplanationSummary
Cisco does not support connecting an IP phone to another IP Phone
through the PC port. Each IP Phone should connect directly to a switch
port. If phones are connected together in a line by using the PC port,
the phones do not work.
The Cisco 7832 conference phone does not have a PC
port.
Note
Connecting a Cisco IP Phone to
another Cisco IP Phone
A prolonged Layer 2 broadcast storm (lasting several minutes) on the
voice VLAN may cause IP phones to reset, lose an active call, or be
unable to initiate or answer a call. Phones may not come up until a
broadcast storm ends.
Prolonged broadcast storms cause IP
phones to reset, or be unable to make
or answer a call
Cisco IP Conference Phone 7832 Multiplatform Phones Administration Guide
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