Location-based communication services. - Xiaotao Wu; Ron Shacham; Matthew J. Mintz-Habib; Kundan Singh; Henning Schulzrinne (ETP@MM, 2004)

A VoIP emergency services architecture and prototype. - Matthew J. Mintz-Habib; Anshuman Singh Rawat; Henning Schulzrinne; Xiaotao Wu (ICCCN, 2005)