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IP telephones, 32 large systems, choosing processors for, 18
${IPADDR} variable, 310 lastapp CSV value, 294
IRC (Internet Relay Chat) channels, 8 lastdata CSV value, 294
IRQ (interrupt request) latency, 15 latency (IRQ), 15
ISDN (Integrated Services Digital Network), LEN dialplan function, 505
182 LEN( ) application, 148
telephones, 31 less than (<) operator, 147
ISNULL dialplan function, 504 libnewt, 38
ISO file (AsteriskNOW), 64 ztcfg and zttool, using, 47
ITSP (Internet Telephony Service Provider), 98 libpri (PRI) libraries, 38
connecting to, 110 compiling, 47
ITU (International Telecommunication loading, 57
Union), 191, 318 libstdc++-devel, 52
IVR (Interactive Voice Response), 324 libtermcap-devel, 39
libtool package, 39
J licenses for music, 300
Jabber (XMPP), 315 limit option, 267
limitonpeers SIP parameter, 354
Java programming language, 242 Linksys SPA-942, 95–97
JavaScript, 246, 248, 254 Linksys WRT54G routers, 11
jbenable SIP parameter, 353 Linux, 34
jbforce SIP parameter, 353 distribution, 16
jbimpl SIP parameter, 353 installing Asterisk and, 37
jblog SIP parameter, 354 Ruby/RubyGems, installing on, 234
jbmaxsize SIP parameter, 354 Linux Firewalls (Suehring/Ziegler), 98, 102,
jbresyncthreshold SIP parameter, 354 111
jitter buffer parameter (IAX), 340 linux-2.4 symbolic link, 45
JRuby, 242
ListCommands (AMI action), 525
LiveCD, 66
K loadzone, 76
Kernel Development Headers, 39 localAjaxinit function, 259
kernel optimizations, 15 localnet SIP parameter, 354
kewlstarts (ks), 76 Log( ) application, 403
key pairs, 311 logarithmic companding, 177
Key Telephone Systems (KTS), 30 logger.conf file, 268, 473
KEYPADHASH dialplan function, 505 logic ground, 22
keys (database groupings), 160 LOGIN action, 251
keys/ directory, 60 login extension, 280
ks (kewlstarts), 76 Logoff (AMI action), 525
KTS (Key Telephone Systems), 30 logrotate utility, 295
logs, managing, 295
L LookupBlacklist( ) application, 403
label argument (GotoIfTime( ) function), 153 LookupCIDName( ) application, 404
loop starts (ls), 76
labels (priority), 123 low option (bandwidth parameter), 339
LANGUAGE dialplan function, 505 low volume, 170
language parameter (IAX), 341 lo_list command, 290
language SIP parameter, 362 ls (loop starts), 76
laptops, 11 lsmod command, 56
large object types (PostgreSQL), creating, 286
Index | 565