1
Jeffrey F Phillips, Bill A Hinds, John David Ehrsam: Method and system with user identifiers that indicate session type. Sprint Communications Company, November 18, 2008: US07454206 (41 worldwide citation)

A user uses a wireless communication device to engage in a communication session over a packet-switched network. The communication session is one of a plurality of different session types, e.g., a push-to-talk (PTT) session or a Web browsing session. The user is identified in the communication sessi ...


2
Jeffrey F Philips, Bill A Hinds, John David Ehrsam: Method and system with user identifiers that indicate session type. Sprint Spectrum, August 31, 2010: US07787879 (32 worldwide citation)

A user uses a wireless communication device to engage in a communication session over a packet-switched network. The communication session is one of a plurality of different session types, e.g., a push-to-talk (PTT) session or a Web browsing session. The user is identified in the communication sessi ...