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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Understanding the Phone Startup Process
Table
Process Step | Description | Related Topics |
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5. Accessing a TFTP | In addition to assigning an IP address, the DHCP | See the “Network |
Server | server directs the Cisco Unified IP Phone to a | Configuration Menu” |
| TFTP Server. If the phone has a | section on page |
| IP address, you must configure the TFTP server | See the “Resolving |
| locally on the phone; the phone then contacts the | |
| Startup Problems” | |
| TFTP server directly. | |
| section on page | |
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| Note You can also assign an alternative TFTP |
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| server to use instead of the one assigned by |
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| DHCP. |
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6. Requesting the CTL | The TFTP server stores the certificate trust list | Refer to the Cisco |
file | (CTL) file. This file contains a list of Cisco | Unified CallManager |
| Unified CallManagers and TFTP servers that the | Security Guide, |
| phone is authorized to connect to. It also contains | “Configuring the Cisco |
| the certificates necessary for establishing a secure | CTL Client” chapter. |
| connection between the phone and Cisco |
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| Unified CallManager. |
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7. Requesting the | The TFTP server has configuration files, which | See the “Understanding |
Configuration File | define parameters for connecting to Cisco | Phone Configuration |
| Unified CallManager and other information for | Files” section on |
| the phone. | page |
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| See the “Resolving |
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| Startup Problems” |
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| section on page |
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| Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SCCP), Cisco Unified IP Phones | |
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