Asterisk Developer's Documentation - appendices

Coding Guidelines : The must-read document for all developer's
Asterisk API
Asterisk API Changes
Asterisk Channels : What's a channel, anyway?
Module: Asterisk Channel Drivers : Existing channel drivers
Debugging : Hints on debugging
AMI - The Manager Interface : The Call management socket API
ARA - The Asterisk Realtime Interface : A generic data storage and retrieval API for Asterisk
DUNDi : A way to find phone services dynamically by using the DUNDi protocol
AJI - The Asterisk Jabber Interface : The Asterisk Jabber Interface
CDR - Call Data Records and billing
README - the general administrator introduction
Globally predefined channel variables
Video support in Asterisk
ENUM : The IETF way to redirect from phone numbers to VoIP calls
AMI over HTTP support
The Generic Speech Recognition API
Configuration files
Sound files included in the Asterisk distribution
CREDITS : A Thank You to contributors
External references

Web sites