System information

two-party call, 547
cel.conf, 540
cel_custom, 543
cel_custom module, 16
cel_manager, 544
cel_manager module, 16
cel_odbc, 541
cel_odbc module, 16
cel_pgsql, 545
cel_pgsql module, 16
cel_radius, 545
cel_radius module, 16
cel_sqlite3_custom, 546
cel_sqlite3_custom module, 16
cel_tds, 546
cel_tds module, 16
CentOS Server, 35–40
adding a system user, 39
base system installation, 35
base system update, 38
calendars, 398
compiling LDAP support, 437
compiling support for XMPP, 419
compiling voicemail support, 412
converting music format, 80
cURL module, 393
enabling NTP for accurate system time, 38
installing Asterisk, 31
installing Festival, 440
installing MySQL, 343
installing PostgreSQL, 342
installing SNMP module, 551
central option (voicemail.conf), 166
central24 option (voicemail.conf), 166
Cepstral, 442
certificate authority (CA), 150
certificates, obtaining, 150
CHANGES, 68
channame CEL event field, 539
Channel Associated Signaling (CAS), 612
channel banks, hardware requirements, 655
channel CDR field, 527
channel configuration files, 88
dialplan, 88
loading new configurations, 98
modifying for your environment, 98
channel drivers, 17
Channel event logging (see CEL)
channel event logging modules, 16
CHANNEL STATUS AGI command, 483
channel variables, 123
channel variables, ${EXTEN} channel
variable, 128
CHANNEL() dialplan function, 191
CHANNEL() function, 77
channels
about, 9
contexts, 109, 144
local channels with dialplan, 211–214
channelvars option (manager.conf), 461
chan_agent driver, 17
chan_alsa driver, 17
chan_bridge driver, 17
chan_console driver, 17
chan_dahdi driver, 17
CHAN_END CEL event type, 537
chan_gtalk driver, 17
chan_gtalk module, 425–428
configuration, 425
Google Talk, 427, 428
Google Voice, 427, 428
chan_h323 driver, 17
chan_iax2 driver, 17
chan_jingle channel module, 425
chan_jingle driver, 17
chan_local driver, 17
chan_mgcp driver, 17
chan_misdn driver, 17
chan_mobile addon module, 23
chan_multicast_rtp channel, 233
chan_multicast_rtp driver, 17
chan_nbs driver, 17
chan_ooh323 addon module, 23
chan_oss driver, 17
chan_phone driver, 17
chan_sip driver, 17
chan_skinny driver, 17
chan_skype.conf, 429
CHAN_START CEL event type, 537
chan_unistim driver, 17
chan_usbradio driver, 17
chan_vpb driver, 17
charset option (voicemail.conf), 160
CheckPublicExtensionResult channel variable,
242
children and security, 586
ciddnid CEL event field, 539
Index | 669