Is Cablevision going to make this feature available anytime soon? Based on the Optimum Advisor they offer this feature. When I called OV Customer Service, they didn't know what I was talking about. Look at this link.
http://www.optimum.com/index.jhtml?pageType=article&category=voip&page=benefits
http://www.optimum.com/index.jhtml?pageType=article&category=voip&page=benefits