configuration.txt Features in the configuration parser
extensions.txt Basics about the dialplan
extconfig.txt How to use databases for configuration of Asterisk (ARA)
+ip-tos.txt About the IP Type Of Service settings
realtime.txt The Asterisk Realtime Architecture - database support
freetds.txt Information about the FreeTDS support
ael.txt Information about the Asterisk Extension Language
Misc
----
PEERING The General Peering Agreement for Dundi
+ajam.txt About the HTTP-based manager interface
app_sms.txt How to configure the SMS application
asterisk.conf.txt Documentation of various options in asterisk.conf
callingpres.txt Settings for Caller ID presentation