Cisco 7931G Administration Manual page 9

For cisco unified communications manager 6.1 chapter 2

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Table of Contents

Chapter 2

Preparing to Install the Cisco Unified IP Phone on Your Network

Table 2-3

Cisco Unified IP Phone Startup Process (continued)

Process Step and Purpose

Step 4

Obtaining an IP Address

If the Cisco Unified IP Phone is using DHCP to

obtain an IP address, the phone queries the DHCP

server to obtain one. If you are not using DHCP in

your network, you must assign static IP addresses

to each phone locally.

Step 5

Accessing a TFTP Server

In addition to assigning an IP address, the DHCP

server directs the Cisco Unified IP Phone to a

TFTP Server. If the phone has a statically defined

IP address, you must configure the TFTP server

locally on the phone; the phone then contacts the

TFTP server directly.

You can also assign an alternative TFTP

Note

server to use instead of the one assigned by

DHCP.

Step 6

Requesting the CTL file

The TFTP server stores the certificate trust list

(CTL) file. This file contains a list of Cisco

Unified Communications Managers and TFTP

servers that the phone is authorized to connect to.

It also contains the certificates necessary for

establishing a secure connection between the

phone and Cisco Unified Communications

Manager.

Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.1

OL-14587-01

Understanding the Phone Startup Process