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 This HOWTO will attempt to explain how to integrate "Click-to-Call" functionality from Open For Business to an Asterisk Server running the Asterisk Manager API*.  *Note: REQUIRES Java JDK 1.5+*

Setting Up Asterisk 

Because of the process priority that Asterisk must take for quality voice transmission, you'll want to run Asterisk from its own box.  This makes TrixBox a perfect solution to accomplish this.  It is a Centos OS distribution with Asterisk and FreePBX built in.

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1. originatingChannel

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      This is the first channel to call.  Should be in the format of IAX2/\[extension\] or SIP/\[extension\].

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         I will do some testing to see what format it needs to be in for the originatingChannel to be POTS number possibly something like ZAP/\[outsideNumber\]

2. extension
   1. This is the second channel to call.  This is usually just the phone number.  Your dialplan in asterisk should determine how to handle this.
3. priority
   1. I don't have all the details on what this does.  If not provided, the service will assume "1" which I believe takes top priority (ie call now)
4. context
   1. This is the context that it will invoke from in the dial plan.  I haven't done much experimenting here yet.  This is likely where you'll want to implement security.
5. actionTimeout
   1. The timeout in milliseconds for the action to complete, in this case I believe it is the cumulative time it takes for the first channel to answer and the second channel to respond