AT&T has previously hinted that they'd be offering femtocells before the end of the year, and that they'd potentially be offering unified billing for the service. AT&T has supposedly already signed a contract with London-based ip.access for $500 million in femtocells, which the company will eventually sell for $100 each. Femtocells essentially create a micro cell tower in your home that improves coverage and allows you to make calls over your broadband connection (easing strain on local towers is the primary perk for AT&T).

At a conference this week, AT&T's John Stankey, chief executive of AT&T's Operations division, confirmed the telco was testing femtocells in employee homes, and would be engaging in a broader, "city-sized test" with customers in the second quarter of 2009.

"We're really excited about this," Stankey told investors and analysts at a conference organized by UBS. "I don't know how you compete in the voice space with someone who has a pristine voice connection in the home through a femtocell."

Probably by, oh, offering femtocells, which is something that's on the radar of nearly every company that's interested in wireless -- including Comcast. Hopefully the calls being routed over AT&T customers' broadband connections don't count toward the caps and overage fees AT&T is testing in two markets.