The rollout of Google Fiber, the search giant's initiative to give select cities high-speed Internet access, could be about to add a service that would dramatically enhance the offering: phone service.<br />Invites for a new service called Google Fiber Phone went out to select users recently with messages promising call screening, a do not disturb feature and spam filtering.<br />Currently, Google Fiber is available in Atlanta, Austin, Charlotte, North Carolina, Kansas City, Missouri, Nashville, Provo, Utah, Raleigh–Durham, Salt Lake City and San Antonio.<br />Describing Fiber Phone as a home phone service, Google says it features voicemail, a phone number that "lives in the cloud" and an end to concerns around mobile phone reception or battery life.