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Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)
OL-21862-01
Chapter 2 Preparing to Install the ATA 187 on Your Network
Adding the ATA 187 to the Cisco Unified Communications Manager Database
Adding the ATA 187 to the Cisco Unified Communications
Manager Database
Before installing the ATA 187, you must choose a method for adding the devices to the
Cisco
Unified Communications Manager database. These sections describe the methods:
• Adding the ATA 187 with Auto-Registration, page 2-6
• Adding the ATA 187 with Cisco Unified Communications Manager Administration, page 2-6
Table 2-2 provides an overview of these methods for adding the ATA 187 to the
Cisco Unified Communications Manager database.
5. 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
ATA 187.
See Understanding Phone Configuration Files,
page 2-3.
6. Contacting Cisco Unified Communications Manager.
The configuration file defines how the ATA 187
communicates with Cisco Unified
Communications
Manager and provides a device with its load ID. After
obtaining the file from the TFTP server, the device attempts
to make a connection to the highest priority Cisco
Unified
Communications Manager on the list. If the
security profile of the device is configured for secure
signaling (encrypted or authenticated), and the Cisco
Unified Communications Manager is set to secure mode,
the device makes a TLS connection. Otherwise, it makes a
nonsecure TCP connection.
See Understanding Phone Configuration Files,
page 2-3.
Table 2-1 ATA 187 Startup Process (continued)
Task Purpose Related Topics
Ta b l e 2-2 Methods for Adding the ATA 187 to the Cisco Unified Communications Manager
Database
Method
Requires MAC
Address?
Notes
Auto-registration No • Results in automatic assignment of directory
numbers.
• Not available when security or encryption is enabled.
Using the Cisco Unified
Communications
Manager Administration
Yes Requires phones to be added individually.