Cisco 7975G Administration Guide

1-10
Cisco Unified IP Phone 7975G Administration Guide for Cisco Unified Communications Manager 6.0
OL-12642-01
Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
Identifying phone calls for which
security is implemented
See the “Identifying Encrypted and
Authenticated Phone Calls” section on
page 1-14
TLS connection See the “What Networking Protocols
Are Used?” section on page 1-4
See the “Understanding Phone
Configuration Files” section on
page 2-5
Security and the phone startup process See the “Understanding the Phone
Startup Process” section on page 2-7
Security and phone configuration files See the “Understanding Phone
Configuration Files” section on
page 2-5
Changing the TFTP Server 1 or TFTP
Server 2 option on the phone when
security is implemented
See the Table 4-1“Network
Configuration Menu” section on
page 4-5
Understanding security icons in the
Communications Manager
1 through
Communications Manager 5 options in
the Device Configuration Menu on the
phone
See the “CallManager Configuration
Menu” section on page 4-12
Items on the Security Configuration
menu that you access from the Device
Configuration menu on the phone
See the “Security Configuration
Menu” section on page 4-27
Items on the Security Configuration
menu that you access from the Settings
menu on the phone
See the “Security Configuration
Menu” section on page 4-32
Unlocking the CTL file See the “CTL File Menu” section on
page 4-33
Disabling access to web pages for a
phone
See the “Disabling and Enabling Web
Page Access” section on page 8-3
Troubleshooting See the “Troubleshooting Cisco
Unified IP Phone Security” section on
page 9-8
Refer to Cisco Unified
Communications Manager Security
Guide, Troubleshooting chapter
Deleting the CTL file from the phone See the “Resetting or Restoring the
Cisco Unified IP Phone” section on
page 9-15
Table 1-2 Cisco Unified IP Phone and Cisco Unified Communications Manager Security Topics
Topic Reference

Cisco 7975G Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Grey, Silver
Speakerphone	Yes
Voice codecs	G.711Mu, G.711a, G.722, G.729A, iLBC
Number of melodies	24
Aspect ratio	4:3
Display diagonal	5.6 \
Display resolution	320 x 240 pixels
Lines quantity	8 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
Front camera	No
Security algorithms	128-bit AES
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	DHCP, TFTP
Volume control	Digital
Headphone outputs	1
Ethernet LAN (RJ-45) ports	2
Number of handles included	1 pc(s)
AC adapter output voltage	48 V
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Certification	FCC

Weight and Dimensions

Depth	152.4 mm
Width	266.7 mm
Height	203.2 mm
Weight	1600 g