Cisco 7975G Software Manual page 106

Unified CM Configuration Menu
Table 15: Cisco Unified Communications Manager Server States
State
Active
Standby
Blank
An option may also display one of more of the designations or icons shown in the following table.
Table 16: Cisco Unified Communications Manager Server Designations
Designation
SRST
TFTP
(Authentication icon)
(Encryption icon)
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
86
Description
Cisco Unified Communications Manager server from which the phone is
currently receiving call-processing services
Cisco Unified Communications Manager server to which the phone switches
if the current server becomes unavailable
No current connection to this Cisco Unified Communications Manager
server
Description
Indicates a Survivable Remote Site Telephony router that can provide
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, see the "Survivable Remote Site Telephony
Configuration" chapter in the Cisco Unified Communications Manager
Administration Guide.
Indicates that the phone was unable to register with a Cisco Unified
Communications Manager listed in its configuration file, and it registered
with the TFTP server instead.
Appears as a shield and indicates that the call is from a trusted device,
and that the connection to Cisco Unified Communications Manager is
authenticated. For more information about authentication, see the Cisco
Unified Communications Manager Security Guide.
Appears as a padlock and indicates that the call is from a trusted device,
and that the connection to Cisco Unified Communications Manager is
authenticated and encrypted. For more information about authentication
and encryption, see the 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,
see the Cisco Unified Communications Manager Security Guide.
Protected calls are not authenticated.
Cisco Unified IP Phone Settings