Download Asterisk Gateway Interface 1.4 and 1.6 Programming by Nir Simionovich PDF

By Nir Simionovich

Start with AGI improvement and use the dynamic positive factors of Asterisk AGI to construct your individual VoIP-based telephony approach. This booklet is meant for builders wishing to make use of Asterisk, approach directors wishing to achieve larger keep an eye on over their Asterisk install, and telephony carrier prone wishing to install Asterisk-based recommendations to their infrastructure. you're anticipated to have a few event with Asterisk and a simple knowing of programming. No wisdom of Asterisk programming is needed.

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An integer number of seconds to wait for a digit response. If greater than 0, that value will override the default timeout. Read should disconnect if the function fails or errors out. Pay close attention to the last line above: "Read should disconnect if the function fails or errors out". This means that(for example) if you have committed an error in the syntax of the filename, your dialplan will stop and terminate the call. ,n,Read(VAR1,"read_id_number",,,3,5) You are most probably wondering why there are three consecutive commas in this directive.

Otherwise, unless 'noanswer' is specified, the channel will be answered before the sound is played. Not all channels support playing messages while still on hook. If 'j' is specified, the application will jump to priority n+101 if present when a file specified to be played does not exist. This application sets the following channel variable upon completion: PLAYBACKSTATUS The status of the playback attempt as a text string, one of SUCCESS | FAILED Application: Background -= Info about application 'BackGround' =[Synopsis] Play an audio file while waiting for digits of an extension to go to.

This application sets the following channel variable upon completion: PLAYBACKSTATUS The status of the playback attempt as a text string, one of SUCCESS | FAILED Application: Background -= Info about application 'BackGround' =[Synopsis] Play an audio file while waiting for digits of an extension to go to. ][|options[|langoverride] [|context]]): This application will play the given list of files (do not put extension) while waiting for an extension to be dialed by the calling channel. To continue waiting for digits after this application has finished playing files, the WaitExten application should be used.

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