Gaurav Kumar

System Integration of VoLTE/IMS projects CSCF and TAS Products and Services.
•Doing Implementation, Deployment and Troubleshooting for Test cases of VoLTE Products.
•**Working on P-CSCF, I-CSCF, S-CSCF, BGCF, MTAS and other IMS Node Functions.
•Troubleshooting for the third-party integration & Configuration.
•VoLTE Feature testing with Nokia IMS products -P/I/S-CSCF, HSS, SIP-AS, BGCF, MGCF, MGW, MRF, BGW.
•Developing various Test cases and preparing different Test scenarios for various features.
•Integration of TAS nodes with HSS, DRA, STP, OCS, MRF and HLR etc.
•Integration of CFX nodes with DRA, MGCF and TAS etc.
•Giving Support to Local Regional teams for Different types of cases facing during Live networks.

Project Title 1 Israel, Tel-Aviv-VoLTE ATP, SBG Expansion, CSR Support Engineer
Client- Partner and Pelephone Israel Tel-Aviv
Roles & Responsibilities

•In Partner operator, they have the VoWiFI already launched they are doing ATP with LM Ericsson Israel Team, I have to support Ericsson Israel team during ATP for failed cases and troubleshoot the case, also Ericsson Israel have many CSR from partner operator related to SRVCC, EMA provisioning and VoWiFI to Volte handover so giving support for all these CSR to Ericsson Israel.
•In Pelephone I have completed SBG Expansion and give a showcase to Pelephone customer by doing SBG expansion first in the LAB site and then to the live site. Support Pelephone customer during testing after SBG Expansion.


Project Title 2 vDSC LLD Design

Six-month experience of working in Volte Project.
•Responsible for Customer Complain handling like Roaming, Location update, MO, MT and LRN Issue with the help of Wireshark Traces in STP and NTHLR.
•Working on MSS, MGW, HLR and NTHLR.
•Responsible for the MOP Creation in Configuration related activities

Integration and Commissioning of MSSs, MGW and HLR with other nodes for Network deployments.
•Experience in GSM cellular mobile telephony in operation and maintenance of NSS (MSS, MGW & HLR) equipments.
•Coordination with Nokia Care and Emergency Team for Network related issues.
•Part of the team executing critical activity of HLR to NTHLR Migration in Live Network.
•Working with different protocols and analysis of different issues raised by customer related to call, Location Update and SMS with the help of QA logs, Monitoring Logs and Wireshark traces.
•Creation of 2G/3G Roaming Tie ups with the other domestic &International operators & opening the same in Coordination with Roaming Team, B-Number and Global Title routing definition & analysis in switch.
•Patch Loading and Software expansion in MSC and HLR.
•Carrying out H/W and Firmware expansion of existing n/w elements as per the requirement.
•Identification and prioritization of faults via Network Alarms taking decisive steps to ensure appropriate levels of response are applied for speedy fault resolution.

Roles & Responsibilities

•In Panasonic network Ericsson DSC is used for Inbound subscriber traffic for LTE network.
•vDSC is design in such a way that Ericsson CEE on top of HDS hardware for all VNF.
•vDSC connected with Panasonic MME and the roaming hub like IPX or GRX for inbound traffic
•vDSC using Diameter edge agent and Topology hiding functionality in geo-redundant way for Panasonic network.

Project Title 3 Egypt Etisalat VoLTE/SRVCC Project
Client- Etisalat, Egypt
Roles & Responsibilities

•VoWiFI is already implemented in Network I am responsible for VoLTE and SRVCC configuration, Testing and troubleshooting.
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•Performed

Roles & Responsibilities

•Preparation of Low Level Design for VoWiFI and VoLTE solution for SBG and MTAS nodes.
•Support for Integration, Testing and troubleshooting of MTAS Node with DSC for Sh, XDMS and Rf interface.

Project Title 10 SBG Integration for VoLTE and SRVCC Solution

Roles & Responsibilities

•Understanding of SBG LLD for different parameters for enabling the VoLTE and SRVCC services.
•Integration of SBG node in accordance with LLD for different Networks and signalling parameters in VoLTE Networks.
•Configure ISER parameter for created networks in SBG node for external nodes communication

Project Title 1 VoLTE Greenfield project

•Done POC for Reliance JIO VoLTE project configuration and testing of all end to end service.
•System Integration of VoLTE/IMS projects Nokia BGW, CSCF and TAS 15.5 Products and Services.
•Doing Implementation, Deployment and Troubleshooting for Test cases of VoLTE Products and Services.
•Working on P-CSCF, I-CSCF, S-CSCF, BGCF, Nokia TAS and other IMS Node Functions.
•Troubleshooting for the third-party integration, Configuration and giving support for Cases.
•VoLTE Feature testing with Nokia IMS products -P/I/S-CSCF, HSS, SIP-AS, BGCF, MGCF, MGW, MRF, BGW.
•Developing various Test cases and preparing different Test scenarios for various features.
•Integration of TAS nodes with HSS, DRA, STP, OCS, MRF and HLR etc.
•Integration of CFX nodes with DRA, MGCF and TAS etc.
•Involved in Patch and system up gradation of running application for new features.
•Customer meeting and understanding the customer needs.
•SIP, Diameter & SS7 protocol trace analysis using Wireshark tool or other tool decoding.
•Have Done Classroom Training on Basic of IMS and SIP Networks. Know the Basic Idea of IMS Interfaces, IMS Registration Procedure and understand about the related Nodes of IMS Networks.
•Understanding of Wireshark traces for MAP, SIP and Diameter.
•Troubleshooting the Problems while integrating the VoLTE Nodes with Other Vendor Nodes, First Call, And For Test Cases