Cisco 7975G Installation Guide

The Cisco Unified IP Phone 7971G-GE and 7970G do not support wireless headsets.Note
Headset Connection
To connect a headset to the Cisco Unified IP Phone, plug it into the Headset port on the back of the phone.
Press the Headset button on the phone to place and answer calls by using the headset.
You can use the headset with all Cisco Unified IP Phone features, including the Volume and Mute buttons.
Use these buttons to adjust the ear piece volume and to mute the speech path from the headset microphone.
The wireless headset remote hookswitch control feature allows you to use a wireless headset with the Cisco
Unified IP Phone. See the wireless headset documentation for information about connecting the headset and
using the features.
Disable Headset
You can disable the headset by using Cisco Unified Communications Manager Administration.
To disable the headset, perform the following steps:
Procedure
Step 1
Choose Device > Phone and locate the phone you want to modify.
Step 2
In the Phone Configuration window, check the Disable Speakerphone and Headset check box.
Step 3
Click Apply.
Wireless Headset
The Cisco Unified IP Phones 7971G-GE and 7970G do not support wireless headsets.Note
By default, the Wireless Headset Hookswitch Control option is disabled. You can enable the option in the
Cisco Unified Communications Manager Administration application.
See the wireless headset documentation for information about connecting the headset and using the features.
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
5
Cisco Unified IP Phones Installation
Headset

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