Subhasish Sahoo

Background

About Subhasish Sahoo

An associate with Cognizant Technology Solutions Ltd since Aug 2014 having overall Experience of 10+ years. Working on IMS LTE environment for client AT & T as Network Analyst, Test lead and Automation Engineer. I like to read technical whitepapers, RFCs, 3GPP Specs. Core Strengths are:* Ability to quickly adapt to new technologies and environments.* Thorough understanding of IMS/LTE call scenario’s, SIP call flows * Automate the call scenarios and work items using SHELL scripting * Troubleshoot, debugging and identifying the root cause of network/platform issues * Leadership role in preparing the consolidated reports, Presentation and presenting to Clients * Provide estimate and design by going through NDR and design documents of new feature/Enhancement. Get it implemented as per deadlines.* Knowledge of different services like Volte, CVOIP, FirstNet, Cricket, RG and Trinity BVOIP * Experience working at the Core of the Ericsson CDMA MSC/HLR/VSE/MGW/GWC wireless communication solution * Experience of managing team of around 10 members * Expert in SIP testing and provisioning. Strong knowledge of SIP and TCP/IP protocol, SBC interaction. Protocols: SIP, SDP, H248, DIAMETER, RTP, RTCP, Signaling System No.7 (SS7), ISUP, TCP/IP, Knowledge on codec G.711, Asterisks PBX, LTE, IMS core Languages: C, C++, Shell Scripting, SQL, UNIX, Python Tools: Wireshark, IRIS session Analyzer, Eclipse, Xterm, OpenStack, FreeSwitch(sipserver), iTRACK, HP QC, SOFTTEST, RADCOM, TORCH