An Introduction to Telephony and Asterisk
The Basics of Traditional Telephony
The Basics of Voice over IP (VoIP) Technology
AsteriskNOW—The Asterisk Software Appliance
Objective—Building an Office PBX
Extensions, Phones, and Others
An IP Phone is a Simplified Computer
AsteriskNOW Extension Management GUI
CounterPath X-Lite—The Worlds Most Popular Soft Phone
Service Providers—Your Connection to the World
PSTN Carriers—Traditional Telephony Providers
Configuring an IP Termination Service Provider
Tentacles of the PBX—The Calling Rules Tables
Managing Routing Rules with AsteriskNOW
Manually Editing Dial-Plan Logic
"Let me in!"—Inbound Call Routing
Inbound DID Routing versus Analog Physical Routing
Inbound Routing via DID Numbers
Inbound Routing via Physical Ports
Inbound Call Routing with AsteriskNOW
Inbound Call Routing in extensions.conf
"For Annoyance, Press 1"—Voice Menus and IVR
Voice Menus—AsteriskNOW's IVR Generator
Voicemail, Conferencing, and Parking—Advanced PBX Services
Comedian Mail—The Asterisk Voicemail System
"Please hold, we'll be with you shortly"—Simple Call Queues
General AsteriskNOW Management—Monitoring, Backups, and More
Gaining Root Access to Your AsteriskNOW via SSH
The Asterisk Command-Line Interface (CLI)
The Asterisk Dial-Plan Language (extensions.conf)
The Asterisk Configuration Directory
Beyond the Dial Plan—Asterisk Gateway Interface (AGI)
Asterisk Manager Interface (AMI)
Asynchronous JavaScript Asterisk Manager (AJAM)