Cisco 7931G Phone Guide

Troubleshooting Your Phone
Cisco Unified IP Phone 7931G for Cisco Unified Communications Manager 6.0 65
Troubleshooting Your Phone
This section provides troubleshooting information for your Cisco Unified IP Phone.
General Troubleshooting
This section provides information to help you troubleshoot general problems with your phone. For
more information, see your system administrator.
Symptom Explanation
You cannot hear a dial
tone or complete a call
One or more of the following factors might apply:
• You must log into the Extension Mobility service.
• You must enter a client matter code (CMC) or forced authorization
code (FAC) after dialing a number.
• Your phone has time-of-day restrictions that prevent you from using
some features during certain hours of the day.
Settings is unavailable
in the Application
menu.
Your system administrator might have disabled Settings on your phone.
The softkey that you
want to use does not
appear
One or more of the following factors might apply:
• You must press more to reveal additional softkeys.
• You must change the line state (for example, go off-hook or have a
connected call).
• Your phone is not configured to support the feature associated with
that softkey.
Cisco CallBack fails The other party might have call forwarding enabled.
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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