Has anyone used Telium's HAAst clustering software for Asterisk?

Good Morning,

Has anyone ever heard of Telium’s HAAst clustering software, which is used to cluster two Asterisk VoIP servers together? I found their web site (www.telium.ca), as I was looking for a possible solution to running two Asterisk servers together, but I cannot find anyone that has used or ever heard of it. If you have heard of the software, do you know if it is any good? Do you know of any review sites that may have reviewed the software?

Thanks very much