Broadsoft Xtended API - Comments

Broadsoft Xtended
From their site: Broadsoft Xtended provides developers access to the leading VoIP hosted platform. The BroadSoft Xtended Developers Program supports third party development to extend the value of the BroadWorks platform. BroadWorks application offerings include Hosted PBX, IP Centrex, Business Trunking, Mobile PBX, and Residential Broadband.