Cisco 7931G User Manual

Solution
Contact your system administrator for details.
Unresponsive Phone
Problem
The phone screen appears blank and the Display button is not lit.
Cause
The phone is powered down (sleeping) to save energy.
Solution
The phone will power up (wake) when the system sends the wake up message. You cannot wake the phone
before its scheduled power up time.
Security Error Message
Problem
Your phone displays Security Error.
Cause
Your phone firmware has identified an internal error.
Solution
If the message persists, contact your system administrator.
Cannot Access Settings Menu
Problem
The Setting menu is not available in the Application menu.
Cause
Your system administrator may have disabled Settings on your phone.
Solution
Contact your system administrator.
Cisco Unified IP Phone 7931G User Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
97
Troubleshooting
Unresponsive Phone

Cisco 7931G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Electromagnetic compatibility	FCC Part 15 (CFR 47) Class B, ICES-003 Class B, EN55022 Class B, CISPR22 Class B, AS/NZS CISPR 22 Class B, CISPR 24, VCCI Class B, EN55024, EN 50082-1, EN 61000-3-2, EN 61000-3-3, EN 61000-6-1
Wi-Fi	No
Networking standards	IEEE 802.1Q, IEEE 802.1af, IEEE 802.1p
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	DHCP, TFTP, CDP
Lines quantity	24 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
Voice codecs	G.711a, G.729A, G.729B, G.729ab
Volume control	Digital
Display resolution	192 x 64 pixels
Display number of lines	3 lines
Display number of colors	Monochrome
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Safety	(UL) 60950, (CSA) C22.2 No. 60950, EN 60950, IEC 60950, AS/NZS60950, TS 001
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	229 mm
Width	203 mm
Height	178 mm
Weight	1360 g