Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Understanding the Phone Startup Process
2-10
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.0
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7. Requesting the
Configuration File
The TFTP server has configuration files, which
define parameters for connecting to Cisco
Unified Communications Manager and other
information for the phone.
See the “Understanding
Phone Configuration
Files” section on
page 2-6.
See the “Resolving
Startup Problems”
section on page 9-2.
8. Contacting Cisco
Unified
Communications
Manager
The configuration file defines how the Cisco
Unified IP Phone communicates with Cisco
Unified Communications Manager and provides a
phone with its load ID. After obtaining the file
from the TFTP server, the phone attempts to make
a connection to the highest priority Cisco
Unified Communications Manager on the list. If
security is implemented, the phone makes a TLS
connection. Otherwise, it makes a non-secure TCP
connection.
If the phone was manually added to the database,
Cisco Unified Communications Manager
identifies the phone. If the phone was not
manually added to the database and
auto-registration is enabled in Cisco
Unified Communications Manager, the phone
attempts to auto-register itself in the Cisco
Unified Communications Manager database.
Note Auto-registration is disabled when
security is enabled on Cisco
Unified Communications Manager. In this
case, the phone must be manually added to
the Cisco Unified Communications
Manager database.
See the “Resolving
Startup Problems”
section on page 9-2.
Table 2-3 Cisco Unified IP Phone Startup Process (continued)
Process Step Description Related Topics
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