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152
numbering of, 82
priority labels, 84
same operator, 83
unnumbered priorities, 83
private branch exchanges (PBXs)
advanced conferencing
ConfBridge() application, 204
video conferencing, 206
Asterisk versus traditional PBXs, 9, 61
ensuring flexibility in, 60
features.conf
application map groupings, 194
copying from installation directory, 189
DTMF-based features, 190
dynamic feature-map creation, 193
purpose of, 189
[applicationmap] section, 191
[featuremap] section, 190
[general] section, 190
most successful, 1
parking and paging
call parking, 195
multicast paging, 202
paging, 197
places to send pages, 199-204
purpose of, 194
timed-out parked calls, 196
zone paging, 204
PBX modules, 17
shortcomings of, 4
prompts
recording methods, 253
recording through dialplan, 254
WAV file format, 253
public address system, 194
Public Safety Answering Points (PSAP), 125
Public Switched Telephone Network (PSTN)
connecting to internationally, 153
Zapata Telephony Project, 3
public switched telephone network (PSTN)
analog telephony, 111
benefits of, 110
digital telephony, 113
FXO and FXS, 112
history of, 110
retirement of, 110
traditional PSTN trunks, 111
Q
questions and comments, xix
queues (see automatic call distribution (ACD))
queue_log file, 235
R
rawman encoding, 308
redirecting calls, 312
registration
authentication versus registration, 72
registering devices to asterisk, 74
verifying, 72
regular expression operator, 165
resource library, 20
resource modules, 17
RJ45 connections, 153
RTP (Real Time Protocol), 54
S
safe_asterisk script, 47
sample configuration files, 37, 45, 78
Index
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389
security
account scanning intrusion attempts, 367
authentication weaknesses, 368
certificates for endpoint security
spool, 20
subroutines