IMS Multimedia Telephony over Cellular Systems: VoIP Evolution in a Converged Telecommunication World

Shyam Chakraborty (PhD) has worked at Ericsson Corporate Research in Finland since 2005.  Before this, he was the Academy Research Fellow, Academy of Finland, at the Communications Laboratory, Dept. of ECE, Helsinki University of Technology.

Tomas Frankkila works as a Research Scientist at Ericsson in Sweden, and has published papers on wireless communications.

Janne Peisa (PhD) is a Section Manager at Ericsson in Finland, and has published many conference papers in the field of WCDMA and 3G.

Per Synnergren (PhD) works as a Senior Specialist for Ericsson in Sweden. He is active in the area of R&D and standardization for IP based services and media transported over a wireless link (focusing on IMS based services and 3GPP wireless access networks).