Patent 7580720 was granted and assigned to AT&T Intellectual Property I on August, 2009 by the United States Patent and Trademark Office.
Systems and methods for communicating support or absence of support of a plurality of protocol features are disclosed. Generally, a plurality of bits is received, each individual bit indicating support or absence of support of a different protocol features. The received plurality of bits are analyzed to determine which protocol features are supported by a first telecommunications station.