Cisco OL-8131-01 User Manual

Page 7

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Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SIP), Cisco Unified IP Phones

OL-8131-01

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

Understanding the Phone Startup Process

6. Requesting the
Configuration File and
the Profile File

The TFTP server has configuration files and
profile files. A configuration file includes
parameters for connecting to
Cisco Unified CallManager and information about
which image load a phone should be running. A
profile file contains various parameters and values
for phone and network settings.

“Understanding
Phone
Configuration Files
and Profile Files”
section on page 2-8

“Resolving Startup
Problems” section
on page 7-2

7. Contacting
Cisco Unified CallMan
ager

The configuration file defines how the
Cisco Unified IP Phone communicates with
Cisco Unified CallManager. After obtaining the
file from the TFTP server, the phone attempts to
make a TCP connection to the highest priority
Cisco Unified CallManager on the list.

If the phone was manually added to the database,
Cisco Unified CallManager identifies the phone.
If the phone was not manually added to the
database and auto-registration is enabled in
Cisco Unified CallManager, the phone attempts to
auto-register itself in the
Cisco Unified CallManager database.

Cisco Unified CallManager informs devices,
using the following configuration file formats, of
their load ID. Note that mac is the hexadecimal
representation of the MAC address of the phone:

For
Cisco Unified IP Phone 7905G—ld<mac> or
ld<mac>.x

For
Cisco Unified IP Phone 7912G—gk<mac> or
gk<mac>.x

“Understanding the
Phone Startup
Process” section on
page 2-4

“Resolving Startup
Problems” section
on page 7-2

Table 2-1

Cisco Unified IP Phone Startup Process (continued)

Step

Configuration

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