Directory » computers » Internet » Telecomunication VOIP Vistula Communications Services Inc (Vistula) is a market leading supplier of Internet enabled voice services for Telco's and Service Providers around the world http://www.vistula.com VoIP Information VoIP information, articles and advice for residential and business owners. Compare plans and technology before you decide if VoIP is right for you and/or your business. http://www.1voip-information.com Search for more with www.mamma.com: Search the web with Mamma.com Submit a site to this location