I'm not familiar with them, and I don't understand that question perfectly.

But I think Google searching looks promising:
http://mywebpages.comcast.net/ncherry/ http://marketing.li.org/success/view.php?x=7 http://www.comtime.com/cti_website/products/ab_pccc_protocol.html http://sourceforge.net/projects/abplc5/

The last one looks especially appropriate.