Arjun Roychowdhury is responsible for driving the IMS consulting practice within HSC, providing consulting services to ISVs, Operators & OEMs for conceptualization, realization and deployment issues related to IMS and applications leveraging the IMS architecture. In addition, he is also responsible for the HSC Converged Applications practice for terminals and network components which gives him a unique hands-on insight into both the infrastructure level as well as what is takes to create applications on top of these emerging networks.

Arjun has been involved with SIP standardization since its inception and is intimately familiar with its evolution as well as deployment and customization across a variety of networks. He has consulted with over 200+ customers in areas ranging from IMS Network validation, gap analysis of existing IMS products to conceptualization and deployment of new applications for handsets and servers.

He is the industry representative for HSC at IETF and is an active participant at various Standardization Bodies and has been invited to speak at several tradeshows including VoN, Internet Telephony and more. Previously, he was the chair of the SIP WG at the IPCC (formerly the International Softswitch Consortium) and continues to be a full member of the SIPForum.

In the past, Arjun was responsible for VoIP product architecture and technology strategy for a large infrastructure vendor in VoIP where he was responsible for architecting the product line, overseeing customer deployment, and transforming it into one of the most successful SIP infrastructure products in the industry