Cisco 7962G Administration Guide

CHAPTER
9-1
Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 7.1
OL-18913-01
9
Troubleshooting and Maintenance
This chapter provides information that can assist you in troubleshooting problems with your Cisco
Unified IP Phone or with your IP telephony network. It also explains how to clean and maintain your
phone.
For additional troubleshooting information, refer to the Using the 79xx Status Information For
Troubleshooting tech note. That document is available to registered Cisco.com users at this URL:
http://www.cisco.com/warp/customer/788/AVVID/telecaster_trouble.html
If you need additional assistance to resolve an issue, see the “Obtaining Documentation, Obtaining
Support, and Security Guidelines” section on page xi.
This chapter includes these topics:
• Resolving Startup Problems, page 9-1
• Cisco Unified IP Phone Resets Unexpectedly, page 9-6
• Troubleshooting Cisco Unified IP Phone Security, page 9-8
• General Troubleshooting Tips, page 9-10
• General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module, page 9-13
• Resetting or Restoring the Cisco Unified IP Phone, page 9-13
• Using the Quality Report Tool, page 9-15
• Monitoring the Voice Quality of Calls, page 9-15
• Where to Go for More Troubleshooting Information, page 9-17
• Cleaning the Cisco Unified IP Phone, page 9-18
Resolving Startup Problems
After installing a Cisco Unified IP Phone into your network and adding it to Cisco Unified
Communications Manager, the phone should start up as described in the “Verifying the Phone Startup
Process” section on page 3-12. If the phone does not start up properly, see the following sections for
troubleshooting information:
• Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process, page 9-2
• Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications
Manager, page 9-2
• Symptom: Cisco Unified IP Phone Unable to Obtain IP Address, page 9-6

Cisco 7962G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Case material	ABS
Product color	Black, Grey
Wall mountable	Yes
Bluetooth	No
Security algorithms	128-bit AES, 802.1x RADIUS
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Ethernet LAN (RJ-45) ports	2
Voice codecs	G.711, G.711a, G.722, G.729A, G.729ab, iLBC
Volume control	Digital
Display diagonal	5 \
Display resolution	320 x 222 pixels
Display number of colors	Monochrome
Caller ID	-
Lines quantity	- lines
Phonebook capacity	- entries
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	203.2 mm
Width	266.7 mm
Height	152.4 mm
Weight	1600 g