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C H A P T E R
12
Troubleshooting
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General Troubleshooting Information, page 209
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Phone Reset Problems, page 213
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Phone Cannot Connect to LAN, page 214
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General Telephone Call Problems, page 215
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Feature Troubleshooting, page 216
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Phone Display Problems, page 217
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Report All Phone Issues from the Phone Web Page, page 219
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Troubleshooting Procedures, page 219
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Additional Troubleshooting Information, page 220
General Troubleshooting Information
The following table provides general troubleshooting information for the Cisco IP Phone.
Table 17: Cisco IP Phone Troubleshooting
Explanation
Summary
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.
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 Phone 6800 Series Multiplatform Phones Administration Guide
209
Содержание IP Phone 6841
Страница 15: ...P A R T I About the Cisco IP Phone Cisco IP Phone Hardware page 3 Technical Details page 11 ...
Страница 16: ......
Страница 34: ...Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide 20 External Devices ...
Страница 35: ...P A R T II Phone Installation Cisco IP Phone Installation page 23 Third Party Call Control Setup page 61 ...
Страница 36: ......
Страница 79: ...P A R T III Phone Accessories Cisco IP Phone Accessories page 67 Wall Mount Kit page 71 ...
Страница 80: ......
Страница 84: ...Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide 70 Headsets ...
Страница 92: ......
Страница 146: ...Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide 132 Configure the XML Directory Service ...
Страница 147: ...P A R T V Phone Troubleshooting Monitoring Phone Systems page 135 Troubleshooting page 209 Maintenance page 221 ...
Страница 148: ......
Страница 222: ...Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide 208 Cisco IP Phone Web Page ...