Vibhor Chandra Gupta

About Vibhor Chandra Gupta

11 years of Professional experience in technical roles and & experience of delivering. • Good Knowledge of SIP (Session Initiation Protocol). • Good knowledge of Wireshark tool log analysis. • Good Knowledge of End-to-End call flow (RFC5359) Call Hold, Consultation Hold, call Forwarding (Busy, Unconditional, No Answer), Call Forking, Call Conference, Music on Hold, Transfer and attended etc. • Knowledge on SIP Protocol (RFC 3261), RTP, Knowledge on end to end call flow (RFC5359)(Call hold, Call Forward, call conference etc.) • Good exposure in IMS architecture with all the nodes (P-CSCF, I-CSCF, S-CSCF, TAS, HSS) and also having knowledge on end to end call flow including IMS Registration. Knowledge on VOLTE call flows. • Deployment and Integration of the Node. • Deployment on deployment portal. • Having knowledge in Protocol Testing (SIP, SDP, IMS, VoIP and Volte). • Having complete knowledge of SIP Protocol (RFC3261), RTP. Knowledge on end to end call flow (RFC5359)(Call hold, Call Forward, Call transfer, call conference etc.). • Having knowledge of IMS architecture and ims call flow with all the nodes (P-CSCF, I-CSCF, S-CSCF, AS, HSS) and also having knowledge on end to end call flow including IMS Registration, VOLTE call flows, SBC. • Having Knowledge of SRVCC, CS to PS and PS to CS Call. • Experience at Analysis, Testing and Review. • dTo analysis different audio video codec and payload. • Working experience of Protocol Analyzers like Wireshark. • Knowledge of IMS Architecture, LTE Architecture. • Knowledge of LTE and IMS interfaces like S1, S1U, S5/S8, S6, S11, Rx, Gx, Gy, Gz, Cx, Sh, etc. • Knowledge of IMS Call flow like (IMS to IMS call flow, IMS to 2G/3G Call Flow, Interconnect Call Flow, SRVCC, IMS Charging.

Experience

1. Sr Tech Lead

   STL - Sterlite Technologies Limited

   Sep 2022 — Present · Gurugram, IN

Education

• BMAS engg college Agra

  Bachelor of Technology (B.Tech.), Electronic & Instrumentation, A

  2007 — 2011