Table of Contents
1.0 Introduction to VoIP
How does VoIP work? | i |
Does a VoIP call sound like a regular phone call? . . . . . . . . . . . . . . . . . . . . . . . .i
If the power goes out, does the VoIP network stay up? . . . . . . . . . . . . . . . . . . . . .ii
What happens to VoIP if the IP network fails . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
I have a firewall and heard that it can prevent VoIP calls . . . . . . . . . . . . . . . . . . . .ii
What is SIP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii
What is a VPN? Can a VPN help me carry data securly over the Internet? . . . . . . .iii
What’s the difference between a Public and a Private IP address? . . . . . . . . . . . . .iii
What is NAT and how does it affect VoIP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iv
What’s the difference between a Static and a Dynamic IP address? . . . . . . . . . . . .iv
What is a SIP proxy and registrar? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iv
What is dynamic DNS? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v
What is the drawback of dynamic DNS? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v
How often will my Public IP address change? . . . . . . . . . . . . . . . . . . . . . . . . . . . .v
What is a port number? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vi
2.0 Installing TalkSwitch |
| |
2.1 | What’s included with TalkSwitch | . . . . .1 |
2.2 | Front Panel Descriptions | . . . . .2 |
2.3 | Back Panel Descriptions | . . . . .3 |
| The TalkSwitch | . . . . .3 |
2.4 | Plugging into the Back Panel | . . . . .5 |
| 2.4.1 Attaching telephone lines to TalkSwitch line jacks | . . . . .5 |
| 2.4.2 Attaching phones and other analog devices |
|
| to TalkSwitch extension jacks | . . . . .5 |
| 2.4.3 Connecting Devices to the Music and PA Jacks | . . . . .6 |
| 2.4.4 Connecting TalkSwitch to a PC | . . . . .6 |
| 2.4.4.1 Serial connection | . . . . .7 |
| 2.4.4.2 USB connection | . . . . .7 |
| 2.4.4.3 LAN connection | . . . . .8 |
2.5 | Using 2 or more TalkSwitch units on a LAN | . . . . .8 |
| 2.5.1 Connecting 2 or more TalkSwitch units to a LAN | . . . . .8 |
| 2.5.2 Setting the Unit ID for the first time | . . . . .9 |
| 2.5.3 Changing the Unit ID | . . . . .9 |
| 2.5.4 Unit IDs and how they affect the system extension numbers | . . . .10 |
| 2.5.5 Keeping track of the lines and extensions | . . . .10 |
| 2.5.6 Optimizing the system for networked use | . . . .11 |
2.6 | Optimizing your IP network for VoIP | . . . .12 |
| 2.6.1 The Broadband Connection | . . . .12 |
| 2.6.2 The Router/NAT/Firewall | . . . .12 |
| 2.6.3 The Local Area Network | . . . .13 |
