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

By Nir Simionovich

Start with AGI improvement and use the dynamic positive factors of Asterisk AGI to construct your individual VoIP-based telephony procedure. This ebook is meant for builders wishing to make use of Asterisk, approach directors wishing to achieve larger keep watch over over their Asterisk deploy, and telephony carrier services wishing to install Asterisk-based strategies to their infrastructure. you're anticipated to have a few event with Asterisk and a simple figuring out of programming. No wisdom of Asterisk programming is needed.

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N,Read(VAR1,"read_id_number",,,3,5) You are most probably wondering why there are three consecutive commas in this directive. The reason is that not all parameters to the Read application are mandatory, thus some can simply be discarded. The dialplan directive just seen will play the file read_id_number back to our user. The file may consist of a message such as "Please enter your ID number, followed by the # key". We've defined the input to be of any length, so our users can press the # key, or simply timeout on the input.

C - Reset the CDR for this call. d - Allow the calling user to dial a 1 digit extension while waiting for a call to be answered. Exit to that extension if it exists in the current context, or the context defined in the EXITCONTEXT variable, if it exists. D([called][:calling]) - Send the specified DTMF strings *after* the called party has answered, but before the call gets bridged. The 'called' DTMF string is sent to the called party, and the'calling' DTMF string is sent to the calling party. Both parameters can be used alone.

Although an automated attendant is usually a feature on modern PBX and key phone systems, it is possible to provide one on standard lines and phones. While this is only a general definition of what an automatic attendant is, it gives us a fair understanding of what automated attendants do. Like any other application, we shall now describe our IVR application verbally, and later on via a functional flowchart. A simple automatic attendant Let's describe our automatic attendant: 1. Answer the call.

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