Cisco Systems 7690 Manual De Usuario

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About This Guide
Document Conventions
xvi
Cisco IP Phone Administration Guide for Cisco CallManager 3.2, Cisco IP Phones 7960/7940/7910
78-10453-04
Cisco TAC Escalation Center
The Cisco TAC Escalation Center addresses issues that are classified as priority 
level 1 or priority level 2; these classifications are assigned when severe network 
degradation significantly impacts business operations. When you contact the TAC 
Escalation Center with a P1 or P2 problem, a Cisco TAC engineer will 
automatically open a case.
To obtain a directory of toll-free Cisco TAC telephone numbers for your country, 
go to the following URL:
Before calling, please check with your network operations
 
center to determine the 
level of Cisco support services to which your company is entitled; for example, 
SMARTnet, SMARTnet Onsite, or Network Supported Accounts (NSA). In 
addition, please have available your service agreement number and your product 
serial number.
Document Conventions
This document uses the following conventions:
Convention
Description
boldface font
Commands and keywords are in boldface.
italic font
Arguments for which you supply values are in italics.
[ ]
Elements in square brackets are optional.
{ x | y | z }
Alternative keywords are grouped in braces and separated by vertical bars.
[ x | y | z ]
Optional alternative keywords are grouped in brackets and separated by 
vertical bars.
string
A nonquoted set of characters. Do not use quotation marks around the string 
or the string will include the quotation marks.
screen
 font
Terminal sessions and information the system displays are in 
screen
 font.
boldface screen
 font
Information you must enter is in 
boldface screen
 font.
italic screen font
Arguments for which you supply values are in italic screen font.