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152
applications
AddQueueMember(), 218, 232
AGI(), 316
Answer(), 82, 85
Background(), 90
ConfBridge(), 183, 204
Congestion(), 234
Dial(), 93, 190
GoSub(), 175
Goto(), 89
GotoIf(), 168-172
GotoIfTime(), 172
Hangup(), 82, 86
Page(), 197
PauseQueueMember(), 218
Playback(), 85
Progress(), 85
Queue(), 190, 213, 229, 286
Read(), 290
Record(), 254
RemoveQueueMember(), 218
SayDigits(), 105
Set(), 194
Stasis(), 338
UnpauseQueueMember(), 218
VoiceMail(), 139
VoiceMailMain(), 141
WaitExten(), 90
working with
list of available, 11
passing arguments to, 85
purpose of, 84
architecture
Asterisk versus traditional PBXs, 9, 107
dialplan, 21
file structure
configuration files, 20
logging, 21
modules, 20
resource library, 20
the spool, 20
hardware, 21
modules
add-on modules, 19
applications, 11
bridging modules, 12
CDR modules, 13
channel drivers, 13
channel event logging (CEL), 13
codec translators, 14
381
dialplan functions, 16
format interpreters, 15
official list of support status for, 11
PBX modules, 17
purpose of, 10
resource modules, 17
test modules, 19
types of, 10
release methodology/versioning, 22
Asterisk
Asterisk versus traditional PBXs, 9, 107
benefits of, xvii, 2
community support, 5, 375
development of, 4
drawbacks of, 2
future of, 1, 377
installation
compiling and installing, 36
download and prerequisites, 35
final tweaks, 42
firewall tweaks, 42
initial configuration, 38
overview of, 35
SELinux tweaks, 41
open-source roots of, 4
release methodology/versioning, 22
versions covered, xviii
wide-spread use of, 5
Asterisk database (AstDB)
deleting data, 182
overview of, 181
retrieving data, 182
storing data, 181
using the AstDB in the dialplan, 182