Specifications

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Chapter 4 Configuring Settings on the Cisco Unified IP Phone
Device Configuration Menu
Unified CM Configuration Menu
The Unified CM Configuration menu contains the options Unified CM1, Unified CM2, Unified CM3,
Unified CM4, and Unified CM5. These options show Cisco Unified Communications Manager servers
that are available for processing calls from the phone, in prioritized order. To change these options, use
Cisco Unified Communications Manager Administration.
For an available Cisco Unified Communications Manager server, an option on the Unified CM
Configuration menu will show the Cisco Unified Communications Manager server IP address or name
and one of the states shown in Table 4-6.
An option may also display one of more of the designations or icons shown in Table 4-7.
Table 4-6 Cisco Unified Communications Manager Server States
State Description
Active Cisco Unified Communications Manager server from which the phone is currently receiving call-processing
services
Standby Cisco Unified Communications Manager server to which the phone switches if the current server becomes
unavailable
Blank No current connection to this Cisco Unified Communications Manager server
Table 4-7 Cisco Unified Communications Manager Server Designations
Designation Description
SRST Indicates a Survivable Remote Site Telephony router capable of providing
Cisco Unified Communications Manager functionality with a limited feature set. This router assumes
control of call processing if all other Cisco Unified Communications Manager servers become
unreachable. The SRST Cisco Unified Communications Manager always appears last in the list of
servers, even if it is active.
For more information, refer to Survivable Remote Site Telephony Configuration in the Cisco Unified
Communications Manager Administration Guide.
TFTP Indicates that the phone was unable to register with a Cisco Unified Communications Manager listed in
its configuration file, and that it registered with the TFTP server instead.
(Authentication
icon)
Indicates that the call is from a trusted device, and that the connection to the
Cisco Unified Communications Manager is authenticated. For more information about authentication,
refer to Cisco Unified Communications Manager Security Guide.
(Encryption icon)
Indicates that the call is from a trusted device, and that the connection to the
Cisco Unified Communications Manager is authenticated and encrypted. For more information about
authentication and encryption, refer to Cisco Unified Communications Manager Security Guide.
The Encryption icon is also displayed when a Cisco Unified IP phone is configured as protected. For
more information about protected calls, refer to Cisco Unified Communications Manager Security
Guide. Protected calls are not authenticated.