Linksys SPA922 Cisco Small Business IP Phone SPA9X1 Administration Guide - Page 2

Using Linksys IP Phones with a Firewall or Router, SPA92x, and SPA962 Hardware Features - initializing network

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1 C H A P T E R 2 C H A P T E R Document Audience i-ix Related Documentation i-x Technical Support i-x Contents CONTENTS Introducing Linksys IP Phones 1-1 Overview 1-1 Linksys IP Phone Features 1-2 SPA901 Features 1-3 SPA92x, SPA94x, SPA962 1-4 Ensuring Voice Quality 1-4 Feature Descriptions 1-5 SIP Proxy Redundancy 1-5 Supported Codecs 1-5 Technology Background 1-8 Session Initiation Protocol 1-9 Using Linksys IP Phones with a Firewall or Router 1-9 Network Address Translation 1-10 NAT Overview 1-10 NAT Types 1-11 Simple Traversal of UDP Through NAT (STUN) 1-11 SIP-NAT Interoperation 1-12 Getting Started 2-1 Linksys 900 Series IP Phones 2-1 Caring for Your Hardware 2-2 Back Panel 2-3 SPA92x, SPA94x, and SPA962 Hardware Features 2-3 Front Panel 2-4 SPA932 2-5 Front Panel 2-7 Back Panel 2-7 Front Panel 2-9 Back Panel 2-9 SPA9000 IP PBX System 2-9 Establishing Connectivity 2-9 Bandwidth Requirements1 2-10 Installing the SPA900 Series IP Phone 2-10 Firmware Version 5.1 Linksys IP Phone Administrator Guide i

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Contents
i
Linksys IP Phone Administrator Guide
Firmware Version 5.1
CONTENTS
Document Audience
i-ix
Related Documentation
i-x
Technical Support
i-x
CHAPTER
1
Introducing Linksys IP Phones
1-1
Overview
1-1
Linksys IP Phone Features
1-2
SPA901 Features
1-3
SPA92x, SPA94x, SPA962
1-4
Ensuring Voice Quality
1-4
Feature Descriptions
1-5
SIP Proxy Redundancy
1-5
Supported Codecs
1-5
Technology Background
1-8
Session Initiation Protocol
1-9
Using Linksys IP Phones with a Firewall or Router
1-9
Network Address Translation
1-10
NAT Overview
1-10
NAT Types
1-11
Simple Traversal of UDP Through NAT (STUN)
1-11
SIP-NAT Interoperation
1-12
CHAPTER
2
Getting Started
2-1
Linksys 900 Series IP Phones
2-1
Caring for Your Hardware
2-2
Back Panel
2-3
SPA92x, SPA94x, and SPA962 Hardware Features
2-3
Front Panel
2-4
SPA932
2-5
Front Panel
2-7
Back Panel
2-7
Front Panel
2-9
Back Panel
2-9
SPA9000 IP PBX System
2-9
Establishing Connectivity
2-9
Bandwidth Requirements1
2-10
Installing the SPA900 Series IP Phone
2-10