User Manual

Table of Contents
PART I INTRODUCTIONS
................................................................ 1
Ch. 1 Introduction to VoIP ............................................................................................................2
1.1 Advantages of VoIP to Businesses ...................................................................................2
1.2 SIP – Most Popular VoIP Protocol.....................................................................................3
1.2.1 SIP Identities ..................................................................................................................................3
1.2.2 Servers in SIP World......................................................................................................................3
1.3 VoIP-Friendly Networking Concepts .................................................................................4
1.3.1 NAT, Network Address Translation .......................................................................................................... 4
1.3.2 STUN, Simple Traversal of UDP through NAT............................................................................. 5
1.3.3 Voice Codec...................................................................................................................................5
Ch. 2 Introduction to Network application....................................................................................6
2.1 Operation Modes ................................................................................................................6
2.2 Wireless Modes ..................................................................................................................6
2.3 Topologies of Network Application ....................................................................................7
Ch. 3 Knowing WIFI-ATA.............................................................................................................9
3.1 Overview of WIFI-ATA........................................................................................................9
3.2 Key Features of WIFI-ATA...............................................................................................10
3.3 Outlook of WIFI-ATA ........................................................................................................11
3.4 Web Configuration Environment......................................................................................13
PART II ATA SETTINGS ................................................................. 14
Ch. 4 Configuring WIFI-ATA ......................................................................................................15
4.1 Quickly Setup (Setup Wizard)..........................................................................................16
4.2 Operation Mode................................................................................................................21
4.3 TCP/IP Settings ................................................................................................................22
4.4 VoIP Settings ....................................................................................................................27
4.5 Wireless settings...............................................................................................................34
4.6 Firewall settings ................................................................................................................42
4.7 Management.....................................................................................................................45
PART III ILLUSTRATIONS.................................................................................. 49
Ch. 5 FAQ & Troubleshooting........................................................................................................50
5.1 How can I make a phone call?.........................................................................................50
5.2 How can I pick up the call waiting while I’m on the phone? ...........................................50
5.3 How can I make a 3-way conference call? .....................................................................51
5.4 How can I transfer a call to others? .................................................................................51
5.5 Why can’t I login to the WIFI-ATA?..................................................................................51
5.6 Why can’t I access the Internet?......................................................................................51
5.7 Why can’t I make VoIP phone calls to others? ...............................................................52
5.8 WIFI-ATA doesn’t respond correctly to key press sometimes.......................................52