Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network

Understanding the Phone Startup Process

Table 2-4

Cisco Unified IP Phone Startup Process (continued)

 

 

 

 

 

 

Step

 

Description

Related Topics

 

 

 

 

5. Accessing a TFTP

In addition to assigning an IP address, the DHCP

Network

Server.

 

server directs the Cisco Unified IP Phone to a

 

Configuration

 

 

TFTP Server. If the phone has a statically-defined

 

Menu, page 4-7.

 

 

IP address, you must configure the TFTP server

Resolving Startup

 

 

locally on the phone; the phone then contacts the

 

 

 

Problems,

 

 

TFTP server directly.

 

 

 

 

page 9-2.

 

 

 

 

 

 

Note You can also assign an alternative TFTP

 

 

 

 

server to use instead of the one assigned

 

 

 

 

by DHCP.

 

 

 

 

 

6. Requesting the CTL

The TFTP server stores the certificate trust list

For more information,

file.

 

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

refer to Cisco

 

 

Unified CallManagers and TFTP servers that the

Unified CallManager

 

 

phone is authorized to connect to. It also contains

Security Guide

 

 

the certificates necessary for establishing a secure

 

 

 

 

connection between the phone and Cisco

 

 

 

 

Unified CallManager.

 

 

 

 

 

 

 

Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones

 

OL-11524-01

2-11

 

Page 75
Image 75
Cisco Systems 7970G manual Unified CallManager, Security Guide