Cisco 7975G Software Guide

Set TFTP Server 2 Field
If you forgot to unlock the CTL or ITL file, you can change the TFTP Server 2 address in either file, then
erase them by pressing Erase from the Security Configuration menu. A new CTL or ITL file downloads
from the new TFTP Server 2 address.
Note
Procedure
Step 1
Unlock the CTL or ITL file if necessary (for example, if you are changing the administrative domain of the
phone). If both the CTL and ITL files exist, unlock either of the files.
Step 2
Unlock network configuration options.
Step 3
Enter an IP address for the TFTP Server 1 option.
Step 4
Scroll to the TFTP Server 2 option, press Edit, and then enter a new backup TFTP server IP address.
Step 5
Press Validate, and then press Save.
Set DHCPv6 Field
Procedure
Step 1
Unlock network configuration options.
Step 2
Scroll to the DHCPv6 option and press No to disable DHCP, or press Yes to enable DHCP.
Step 3
Press Save.
Set IPv6 Address Field
Procedure
Step 1
Unlock network configuration options.
Step 2
Set the DHCPv6 option to No.
Step 3
Scroll to the IP Address option, press Edit, and then enter a new IP Address.
Step 4
Press Validate and then press Save.
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
81
Cisco Unified IP Phone Settings
Set TFTP Server 2 Field

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