On the successful application of software reliability modeling. - Richard P. Ejzak (FJCC, 1987)

A retransmission scheme for circuit-mode data on wireless links. - Sanjiv Nanda; Richard P. Ejzak; Bharat T. Doshi (IEEE J. Sel. Areas Commun., 1994)

BALI: A solution for high-speed CDMA data. - Richard P. Ejzak; Douglas N. Knisely; K. Sarath Kumar; Subhasis Laha; Sanjiv Nanda (Bell Labs Tech. J., 1997)

Link Layer Retransmission Schemes for Circuit-Mode Sata Over the CDMA Physical Channel. - Mooi Choo Chuah; Bharat T. Doshi; Subrahmanyam Dravida; Richard P. Ejzak; Sanjiv Nanda (Mob. Networks Appl., 1997)

A proposal for EGPRS radio link control using link adaptation and incremental redundancy. - Krishna Balachandran; Keith F. Conner; Richard P. Ejzak; Sanjiv Nanda (Bell Labs Tech. J., 1999)

GPRS-136: high-rate packet data service for North American TDMA digital cellular systems. - Krishna Balachandran; Richard P. Ejzak; Sanjiv Nanda; Stanislav Vitebskiy; Shiv Seth (IEEE Wirel. Commun., 1999)

MAC layer design for statistical multiplexing of voice and data over EGPRS. - Krishna Balachandran; Cristian Demetrescu; Richard P. Ejzak; Sanjiv Nanda; Hong Xie (WCNC, 2000)

Flexent® IMS - the convergence of circuit and packet core networks. - Richard P. Ejzak; Harold A. Lassers; Scott D. Olmstead; Randall J. Wilson (Bell Labs Tech. J., 2002)

Issues in supporting multimedia services in SIP networks with mixed endpoint types. - Maria R. G. Azada; James A. Calme; Richard P. Ejzak; John J. MacNamara (Bell Labs Tech. J., 2004)

Support for CDMA circuit mobiles in a SIP-based packet core network: A step on the path to IMS. - Bernard L. Cyr; Richard P. Ejzak; Joseph J. Lichter; John J. MacNamara; Thomas L. McRoberts; Joseph E. Seitz (Bell Labs Tech. J., 2004)

Network overload and congestion: A comparison of ISUP and SIP. - Richard P. Ejzak; Cynthia K. Florkey; Richard W. Hemmeter (Bell Labs Tech. J., 2004)

Seamless mobility across IMS and legacy circuit networks. - Maria R. G. Azada; Richard P. Ejzak; John J. MacNamara; Donna M. Sand; Robin Thompson (Bell Labs Tech. J., 2006)

A common SIP profile for next-generation networks. - James A. Calme; Richard P. Ejzak (Bell Labs Tech. J., 2006)