Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] s (start) extension safe_asterisk script 2nd remote console on TTY9 sampling analog waveform for digital encoding increasing resolution and rate quality effects of sampling rate sampling frequency for digitally encoding analog signal Sangoma cards Sangoma Technologies, SS7 support save dialplan command SAY ALPHA command SAY DATE command SAY DATETIME command SAY DIGITS command SAY NUMBER command 2nd 3rd SAY PHONETIC command SAY TIME command SayAlpha( ) application SayDigits( ) application 2nd sayit function saynumber function SayNumber( ) application SayPhonetic( ) application SayUnixTime( ) application scalability of Asterisk SCCP (Skinny Client Control Protocol) scripts, AGI writing in Perl writing in PHP writing in Python SCTP (Stream Control Transmission Protocol) secret (SIP authentication password) security enforcement with dialplan contexts H.323 protocol IAX protocol remote console on TTY9, disabling SIP system environment SECURITY file SEND IMAGE command 2nd SEND TEXT command 2nd SendDTMF( ) application SendImage( ) application SendText( ) application SendURL( ) application server-class motherboards, PCI slots servers electrical circuits hardware selection choosing a motherboard choosing a processor performance issues power supply requirements large Asterisk systems SET AUTOHANGUP command SET CALLERID command set command SET CONTEXT command SET EXTENSION command SET MUSIC ON command SET PRIORITY command SET VARIABLE command Set( ) application 2nd retrieving data from AstDB storing data in AstDB SetAccount( ) application SetAMAFlags( ) application SetCallerID( ) application SetCallerPres( ) application SetCDRUserField( ) application SetCIDName( ) application SetCIDNum( ) application SetGlobalVar( ) application 2nd SetGroup( ) application sethdlc utility SetLanguage( ) application SetMusicOnHold( ) application SetRDNIS( ) application SetVar( ) application shortcomings of traditional telephone systems show functions command show subcommands sidetone 2nd signaling information (D-channels) signaling methods for analog circuits hardware channels kewlstart, on FXS channel signaling protocols digital Channel Associated Signaling (CAS) ISDN SS7 Signaling System 7 (SS7) sinusoidal (sine) wave SIP (Session Initiation Protocol) 2nd channel configuration channel definitions configuring client dialplan sip.conf file (example) conversion of proprietary digital signals to future of general parameters NAT and security sip commands SIP Interoperability Test (SIPIT) sip show registry command sip.conf file 2nd context name enabling DNS SRV record lookups example sip_notify.conf file SIPAddHeader( ) application SIPDtmfMode( ) application SIPGetHeader( ) application Skinny Client Control Protocol (SCCP) skinny.conf file small systems choosing CPU system requirement guidelines Smith, Allison soft hangup command soft phones connecting to Asterisk X-Lite SIP client SoftHangup( ) application SOHO systems, system requirement guidelines SONET (Synchronous Optical Network) sound files (pre-recorded) playing for unanswered or busy destinations playing over a channel playing with Background( ) sound prompts (asterisk-sounds package) sound recordings, creating from the dialplan sound waves, translation to electrical signals sounds (phone system), for particular countries sounds directory sounds-extra.txt file sounds.txt file sounds/ directory source code (Asterisk) obtaining extracting source code from CVS updating sox application spam speech processing speech recognition Speex codec Spencer, Mark, ix spool directory SRV records, DNS SS7 (Signaling System 7) stable Asterisk releases staging directory start (s) extension stations STDERR ensuring open file handles in AGI PHP script summary of AGI script tests using fflush function after writing to writing to with fwrite function STDIN ensuring open file handles in AGI PHP script reading variables from using the fgets function STDOUT AGI script sending commands to Asterisk ensuring open file handles in AGI PHP script using fflush command after writing to using fflush function after writing to writing to with fwrite function steps stop commands StopMonitor( ) application StopPlaytones( ) application STREAM FILE command 2nd 3rd 4th strict language checking, AGI scripts in Perl 2nd string length of a variable, calculating StripLSD( ) application StripMSD( ) application STS-1 circuit SubString( ) application Suffix( ) application switch hook symbolic link to Linux kernel sources depmod errors during compilation Linux 2.4 kernel sys.stdin.readline command sys.stdout.flush command sys.stdout.write command system prompts, customizing system requirement guidelines System( ) application |