C H A P T E R 9 Troubleshooting And Maintenance; Resolving Startup Problems; Symptom: The Cisco Unified Ip Phone Does Not Go Through Its Normal Startup Process; Symptom: The Cisco Unified Ip Phone Does Not Register With Cisco - Cisco 7970G Administration Manual
For cisco unified callmanager 5.1 (sip)
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Resolving Startup Problems
Resolving Startup Problems
Symptom: The Cisco Unified IP Phone Does Not Go Through its
Normal Startup Process
Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
9-2
After installing a Cisco Unified IP Phone into your network and adding it to
Cisco Unified CallManager, the phone should start up as described in the
"Verifying the Phone Startup Process" section on page
start up properly, see the following sections for troubleshooting information:
Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal
•
Startup Process, page 9-2
Symptom: The Cisco Unified IP Phone Does Not Register with Cisco
•
Unified CallManager, page 9-3
Symptom: Cisco Unified IP Phone Unable to Obtain IP Address, page 9-8
•
When you connect a Cisco Unified IP Phone into the network port, the phone
should go through its normal startup process as described in the
Phone Startup Process" section on page
information. If the phone does not go through the startup process, the cause may
be faulty cables, bad connections, network outages, lack of power, and so on. Or,
the phone may not be functional.
To determine whether the phone is functional, follow these suggestions to
systematically eliminate these other potential problems:
Verify that the network port is functional:
1.
Exchange the Ethernet cables with cables that you know are functional.
–
Disconnect a functioning Cisco Unified IP Phone from another port and
–
connect it to this network port to verify the port is active.
Connect the Cisco Unified IP Phone that will not start up to a different
–
network port that is known to be good.
Connect the Cisco Unified IP Phone that will not start up directly to the
–
port on the switch, eliminating the patch panel connection in the office.
Chapter 9
Troubleshooting and Maintenance
3-15. If the phone does not
3-15, and the LCD screen should display
"Verifying the
OL-11524-01
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Troubleshooting
