Designation: R&D Engineer
I was part of the Systems Engineering team working on Policy-Based Networking (PBN) for IP Multimedia Subsystem (IMS) prototype of Siemens ICM for UMTS 3rd generation (3G) mobile core networks. I was involved in the design and implementation aspects of Policy Control Function(PCF) or Policy Decision Point (PDP) as described by IETF. During this period, I also worked on the requirements analysis, design and implementation of basic functionalities of Session Initiation Protocol (SIP) in ns simulator.
Designation: Programmer Analyst
I was involved in analysis, coding and testing of application software in legacy systems.