Cablevision’s Optimum Lightpath service 
introduced a full suite of business-class hosted voice and Internet services. The Lightpath Hosted Voice service offers a new phone system, competitive calling plans and Internet bandwidth up to five times versus the competition. Optimum Lightpath’s Voice Services portfolio also includes Lightpath Managed Voice, Lightpath IP Trunking and Lightpath Internet/Voice.
http://www.optimumlightpath.com