Asterisk Blog - Page 8

Page Contents Asterisk and DTMF (TouchTone) Variable length DTMF Inband Changing DTMF duration when sending for ZAP channels DTMF recognition DAHDI/Zaptel mISDN v2 Changing DTMF tone frequency in Asterisk AUDIO (inband) RFC2833/RFC4733 (inband) SIP INFO (out-of-band) DTMF in…

Installing Asterisk In A FreeBSD Jail There are two parts to this: first install the zaptel driver and make it available to the jail, then install Asterisk in the jail. Installing The ZapTel Driver The zaptel drivers are…

UpdateConfig CLI> manager show command updateconfig Action: UpdateConfig Synopsis: Update basic configuration Privilege: config,all Description: A ‘UpdateConfig’ action will modify, create, or delete configuration elements in Asterisk configuration files. Variables (X’s represent 6 digit number beginning with 000000):…

Synopsis: Send arbitrary text to verbose output Description: Verbose([<level>,]<message>) level must be an integer value. If not specified, defaults to 0. Used to printf or echo to the console, with you choice of verbosity level. This is similar…

Vxml() Synopsis Execute a VoiceXML document over Asterisk (Based on the VXI* VoiceXML browser). This asterisk application is renamed voximal since version 14. The application use Asterisk internal API (Prompt / DTMF / Record) and installed applications. Description…

SLA – Shared Line Appearance Shared Line Appearances: SLAs allow you to place a call on hold at one set and pick it up easily at another set. SLA is also known as SCA: Shared Call Appearance. You…

How to register Asterisk server as a SIP client to PortaOne If you purchased a DID from PortaOne http://www.portaone.com/ and want to use it with Asterisk PBX, there are two ways First -> to have mapping between your…

Message Waiting Indication (MWI) MWI across multiple Asterisk servers Depending on how you want to set it up, just use externnotify= and a script that touches the msg<num>.txt file in the user’s vm directory on the other boxes….

iax.conf: peer configuration – qualify The qualify, qualifyfreqok and qualifyfreqnotok settings are used to determine the status availability of an IAX peer. Syntax: qualify=no|yes|xxx (“qualify=yes” is equivalent to “qualify=2000”) qualifyfreqok=xxx qualifyfreqnotok=xxx where “xxx” is an integer specifying milliseconds….

Set(CALLERID()) Synopsis Set(CALLERID(all|name|num|number|ANI|DNID|RDNIS)=”CALLER NAME” <CALLER NUMBER>) Asterisk 1.2 and later– For old usage please see Asterisk cmd SetCallerID Description Set Caller*ID on a call to a new value or read the current value. Options are: all: Both caller’s…

Sip.conf: Progressinband progressinband=yes – When “RING” event is requested, always send 180 Ringing (if it hasn’t been sent yet) followed by 183 Session Progress and in-band audio. progressinband=no – Send 180 Ringing if 183 has not yet been…

ASR() Synopsis Automatic Speech Recognition ASR for Asterisk – based on an ASP model by accessing professional, multilanguage Speech Processors To enable this command you will need to install an additional module as part of asterisk. (Read below)…

Answering Machine Detect (AMD) Possible bugs. Synopsis Attempts to detect answering machines. Description AMD([|initialSilence][|greeting][|afterGreetingSilence][|totalAnalysisTime][|minimumWordLength][|betweenWordsSilence][|maximumNumberOfWords][|silenceThreshold]) This application attempts to detect answering machines at the beginning of outbound calls. Simply call this application after the call has been answered (outbound…