Page 592 - Asterisk™: The Future of Telephony

GUI (Asterisk), 62, 66, 245–261 IAX2Provision( ) application, 402
architecture of, 248 iaxmaxthreads parameter (IAX), 340
customization of, 257–260 IAXNetstats (AMI action), 524
developing, 251–261 IAXPEER dialplan function, 503
installing, 249–251 IAXPeers (AMI action), 525
Guy, Ed, 219 iaxprov.conf file, 473
iaxthreads parameter (IAX), 340
H ICES( ) application, 402
H.323, 191 IETF (Internet Engineering Task Force), 106,
187, 188
hackers, 5 H.323, 192
half duplex communication, 73 IF dialplan function, 504
handsets, 170 IFTIME dialplan function, 504
HANGUP (AGI), 452 ignoreregexpire SIP parameter, 353
Hangup (AMI action), 524 iLBC (Internet Low Bitrate Codec), 196
Hangup( ) application, 124, 400 image/ directory, 60
hardware IMAP servers, storing voicemails, 313
server, 13–21 ImportVar( ) application, 402
telephony, 25–29 includes, 142
HasNewVoicemail( ) application, 401 [incoming] context, 125, 163
HasVoicemail( ) application, 401 incominglimit SIP parameter, 362
Hello World! example, 126 [incoming_osaka] context, 113
high option (bandwidth parameter), 339 indications.conf file, 473
hobby systems, 12 initialization script options, 55
grounding and, 24 inkeys parameter (IAX), 348
hook switches, 169 Innovator's Dilemma, 95
host SIP parameter, 362 insecure SIP parameter, 362
hostnames, installing AsteriskNOW, 65 installation, 37–67
hot-desking feature, 275–285 integer division sign (/), 147
HOTDESK_CHECK_PHONE_LOGINS( ) Integrated Services Digital Network (see ISDN)
function, 282 Intel CPUs, 16
HOTDESK_INFO( ) function, 280 Inter-Asterisk eXchange (see IAX)
HOTDESK_STATUS( ) function, 282 Interactive Voice Response (IVR), 324
HTML, 254 interface configuration files, 71
HTTP protocol, using Polycom phones and, internal calls, 133–135
90 [internal] context, 155
httpd.conf file, setting up, 250 International Telecommunication Union
humidity and electronics, 24 (ITU), 191, 318
hybrid transformers, 169
Internet Engineering Task Force (see IETF)
Internet Explorer, 256
I Internet Low Bitrate Codec (iLBC), 196
IAX (Inter-Asterisk eXchange), 106–109, 187, Internet Telephony Service Provider (ITSP), 98
337–349 connecting to, 110
connecting two Asterisk boxes, 111–114 interrupt request (IRQ) latency, 15
iax.conf file, 71, 112, 202, 472 invalid entries, handling, 130
channel configuration, configuring, 107 INVITE requests, sending DoS attacks and,
dundi user, creating, 311 190
iax/ subdirectory or firmware/, 60 IP 430 (Polycom), 90–93
IAX2 protocol, 106–109 IP addresses, 87, 99

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