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Cisco IP Phone 6851

Cisco IP Phone 6851
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Use Category 3, 5, 5e, or 6 cabling for 10 Mbps connections; Category 5, 5e, or 6 for 100 Mbps connections;
and Category 5e or 6 for 1000 Mbps connections. For more information, see Network and Computer Port
Pinouts, on page 12.
Step 5
Connect a straight-through Ethernet cable from another network device, such as a desktop computer, to the
computer port on the phone. You can connect another network device later if you do not connect one now.
Use Category 3, 5, 5e, or 6 cabling for 10 Mbps connections; Category 5, 5e, or 6 for 100 Mbps connections;
and Category 5e or 6 for 1000 Mbps connections. For more information, see Network and Computer Port
Pinouts, on page 12 for guidelines.
Step 6
If the phone is wall-mounted, you might need to adjust the handset rest to ensure that the receiver cannot slip
out of the cradle. For more information, see Adjust the Handset Rest, on page 75.
Step 7
Monitor the phone startup process. This step verifies that the phone is configured properly.
Step 8
Use DHCP or manually enter an IP address for the phone.
See Configure the Network from the Phone, on page 25.
Step 9
Upgrade the phone to the current firmware image.
Firmware upgrades over the WLAN interface may take longer than upgrading over the wired interface,
depending on the quality and bandwidth of the wireless connection. Some upgrades may take more than one
hour.
Step 10
Make calls with the phone to verify that the phone and features work correctly.
See the Cisco IP Phone 6800 Series Multiplatform Phones User Guide.
Step 11
Provide information to end users about how to use their phones and how to configure their phone options.
This step ensures that users have adequate information to successfully use their phones.
Configure the Network from the Phone
The phone includes many configurable network settings that you may need to modify before it is functional
for your users. You can access these setting through the phone menus.
The Network configuration menu provides you with options to view and configure a variety of network
settings.
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
25
Configure the Network from the Phone

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