Lingo is one of the most affordable Internet phone services. (Also known as "VoIP," or Voice over IP service.). Lingo offers unlimited local and long distance calls anywhere in the U.S. and to over 20 countries, plus over 20 calling features – all for only $21.95 per month. Lingo has quickly emerged as a top Internet phone service in a market projected to grow to 16.5 million U.S. consumers by 2008 (Frost & Sullivan).