Appendix D

Memory Tables Answer Key

Chapter 1

Table 1-4 Sample Country Codes from Around the World

Country Code

Country

+1

North America

+20

Egypt

+27

South Africa

+32

Belgium

+44

United Kingdom

+49

Germany

+52

Mexico

+55

Brazil

+61

Australia

+7

Russia

+81

Japan

+86

China

+90

Turkey

+91

India

+299

Greenland

Chapter 2

Table 2-2 SIP Requests

SIP Request

Description

INVITE

A caller sends out this message to request another entity to establish a SIP session.

ACK

This indicates that the client has received a final response to an INVITE request.

OPTIONS

This request queries the server for its capabilities.

BYE

This is used by the UAC to indicate to the server that it wishes to terminate the ...

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