Cisco CP-7961G-GE Administration Guide - Page 50
Adding Phones to the Cisco Unified Communications Manager Database
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Adding Phones to the Cisco Unified Communications Manager Database Table 2-3 Cisco Unified IP Phone Startup Process (continued) Task Purpose Related Topics 7. Requesting the ITL file. Refer to Cisco Unified Communications Manager The phone requests the ITL file after it requests the Security Guide, Configuring the Cisco CTL Client. CTL file. The ITL file contains the certificates of the entities that the phone can trust. The certificates are used for authenticating a secure connection with the servers or authenticating a digital signature signed by the servers. 8. Requesting the Configuration File • Adding Phones to the Cisco Unified The TFTP server has configuration files, which define Communications Manager Database, page 2-8. parameters for connecting to Cisco • Resolving Startup Problems, page 9-1. Unified Communications Manager and other information for the phone. 9. Contacting Cisco Unified Communications Manager • Resolving Startup Problems, page 9-1. 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, If the security profile of the phone is configured for secure signaling (encrypted or authenticated), and the Cisco Unified Communications Manager is set to secure mode, the phone makes a TLS connection. Otherwise, it makes a nonsecure 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 you configure the CTL client. In this case, the phone must be manually added to the Cisco Unified Communications Manager database. Adding Phones to the Cisco Unified Communications Manager Database Before installing the Cisco Unified IP phone, you must choose a method for adding phones to the Cisco Unified Communications Manager database. These sections describe the methods: • Adding Phones with Auto-Registration, page 2-9 Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP) 2-8 OL-21011-01