Cisco 7941G Administration Guide

Network Configuration Area 196
Network Statistics Area 200
Ethernet Information Area Fields 201
Access and Network Area Fields 201
Device Logs Area 203
Streaming Statistics 204
CHAPTER 9 Troubleshooting and Maintenance 209
Troubleshooting and Maintenance Overview 209
Troubleshooting 209
Startup Problems 209
Cisco Unified IP Phone Does Not Go Through Normal Startup Process 209
Cisco Unified IP Phone Does not Register with Cisco Unified Communications
Manager 210
Phone Displays Error Messages 210
Phone Cannot Connect to TFTP Server or to Cisco Unified Communications
Manager 211
TFTP Server Settings 211
IP Address and Routing 211
DNS Settings 211
Cisco Unified Communications Manager Settings On Phone 212
Cisco CallManager and TFTP Services Are Not Running 212
Configuration File Corruption 212
Cisco Unified Communications Manager Phone Registration 212
Cisco Unified IP Phone Cannot Obtain IP Address 213
Cisco Unified IP Phone Displays Security Error Message 213
Cisco Unified IP Phone Resets Unexpectedly 213
Physical Connection Problems 214
Intermittent Network Outages 214
DHCP Setting Errors 214
Static IP Address Setting Errors 215
Voice VLAN Setup Errors 215
Phones Have Not Been Intentionally Reset 215
DNS or Other Connectivity Errors 215
Power Connection Problems 216
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco
Unified Communications Manager 9.0 (SCCP and SIP)
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Contents

Cisco 7941G Specifications

General

Keypad number of keys	12
Touchscreen	-
Display resolution	320 x 222 pixels
Speakerphone	Yes
Voice codecs	G.729a
Bluetooth	No
Supported network protocols	DHCP, TFTP, SCCP, DSCP
Ethernet LAN (RJ-45) ports	2
Input voltage	48 V
Dimensions (WxDxH)	266.7 x 152.4 x 203.2 mm
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Safety	(UL) 60950, (CSA) C22.2 No. 60950, IEC 60950, EN 60950, AS/NZS 60950
Certification	CE (FCC) 15 (CFR 47) B ICES-003 B EN55022 B CISPR22 B AS/NZ 3548 B VCCI B EN55024 EN 50082-1 EN 61000-3-2 EN 61000-3-3
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3af
Lines quantity	- lines
Phonebook capacity	- entries
Number of handles included	1 pc(s)

Weight and Dimensions

Weight	1600 g