ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,422, issued on May 13, was assigned to TANGO NETWORKS INC. (Frisco, Texas).

"Method and apparatus of supporting wireless femtocell communications" was invented by Patricia A. Landgren (Plano, Texas) and Andrew Silver (Frisco, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus of routing a call in a femtocell network are disclosed. In one example call routing method, a call is originated from the mobile station via a femtocell access point and the call is transmitted to a femtocell gateway, a mobile switching center and a carrier gateway server and onto an enterprise gateway server to obtain policy information. A routing poli...