text stringlengths 0 152 |
|---|
purpose of, 166 |
REGEX, 187 |
STRFTIME, 187 |
syntax, 166 |
dynamic feature-map creation, 193 |
expressions and variable manipulation |
basic expressions, 163 |
operators, 165 |
GoSub() dialplan application |
defining subroutines, 175 |
purpose of, 175 |
returning from subroutines, 177 |
local channels |
independent control example, 178 |
problems to address, 180 |
purpose of, 177 |
dialplan basics |
basic dialplan for device testing, 73 |
building interactive dialplans |
advanced digit manipulation, 105 |
Goto(), Background(), and WaitExten() |
applications, 89 |
handling invalid entries and timeouts, 92 |
include statement, 106 |
NANP and toll fraud, 103 |
pattern matching, 101-105 |
using Dial() Application, 93 |
using variables, 96 |
channel configuration, 66 |
dialplan functions, 16 |
dialplan purpose, 21, 77 |
dialplan syntax |
Answer(), Playback(), and Hangup() |
applications, 85 |
applications, 84 |
basic dialplan prototype, 87 |
contexts, 78 |
extensions, 81 |
extensions.conf file, 78 |
hierarchical components, 78 |
priorities, 82 |
Hello World example, 87 |
popular dialplan applications, 11 |
security vulnerabilities, 371 |
digital signal processing (DSP), 3 |
DigitalOcean, 29 |
Digium Asterisk Hardware Device Interface |
(DAHDI), 22, 154 |
Dixon, Jim, 3 |
domain validation (DV) digital certificates, 52 |
DTMF-based features, 190 |
E |
EAGI (Enhanced AGI), 317 |
Electronic Frontier Foundation (EFF), 53 |
email, 144 |
emergency calls, 125 |
endpoint security |
Index |
| |
385 |
challenges of VoIP security, 49 |
securing media, 54 |
securing SIP, 50 |
environment variables, 98 |
extended validation (EV), 54 |
extension numbers, 60 |
extension states, 241 |
extensions (see Asterisk extensions) |
Extra Sound Package, 86 |
F |
Fail2ban |
benefits of, 368 |
configuration, 369 |
installation, 369 |
FastAGI (AGI over TCP) |
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