This service can already tried since Wednesday (08/25/2010) yesterday. From Gmail account, users can make calls to home and mobile phone for free until the end of this year for the U.S. and Canada, and the super-low fare to the phone to another country.
For example, if a user wants to call to England, Germany, China, France, and Japan, it cost only 2 cents U.S. per minute.
Several analysts said that this service will become a greater threat to Skype other than the traditional operators. The reason, traditional operators have started to compete by cutting telephone costs in recent years.