Presence service integration using interconnected IP multimedia core networks (IM-CN). - Sebastian Schumann; Eugen Mikóczy; Stephan Massner; Michael Maruschke (TRIDENTCOM, 2009)

Prototyping of an Interconnection Border Gateway Function (IBGF) in Next Generation Networks (NGN) Using Open Source Software Tools. - Stephan Massner; Michael Maruschke (TRIDENTCOM, 2010)

A Dynamic Host Configuration Protocol Based Service Discovery Mechanism. - Stephan Massner; Tom Weber (COMPSAC Workshops, 2011)

SIP Trunking - General Requirements for Interconnecting Enterprise Networks. - Stephan Massner; Chris Richter; Uwe Hautzendorfer (J. Networks, 2013)