Shubhendu Mohan Mishra Email & Phone Number

India

Probing Solution testing, Solutioning, Vendor Management for 5G Probes for mobility and IMS.Handling Probing Solution for end-to-end project completion.End to End Performance Testing with 5G Call flows for Probe software validation.End to End Functional Testing with TYPE1 and TYPE2 EVENTS for Probe software validation.Also Handling 4G Virtual and 4G Physical Probes for IMS.Host Technical Calls with several Probe Vendors for Solution understanding and requirement gathering, Issue Troubleshooting and Debugging.Perform Requirement Gathering, Test Planning, Test case generation, Technical Reviews, Test Setup & Test Data Preparation, Test Execution, Test Reporting and Bug Tracking, LAB User Support and Production call flow troubleshooting for 5G,4G Virtual Probes, COTS Probe.Perform System Troubleshooting to identify root cause of technical issues & defects. Participate in Feature Specification & Design Reviews.Provide support to AT&T LAB users for probing related technical issuesAnalyze Probing Solution behavior LAB vs Production based on available traffic & KPI/Monitoring data.Landslide Script Creation. Execution and debugging of Automation ScriptsHelping Automation team to Automate the test cases for Regression

United States

❖ Performed Feature Test Planning, execution, reporting, Defect tracking and management for vCTS,vSBC, v-ISBC, vSCC-AS component for VOIP IMS N/W.❖ Worked on various probe features like “ISA Support for EVS Codec”, “RTP xdr Enhancement”, “Addition of LDAP Subscriber number in ISA”, “SIP RTP Over-Correlation”, “New PANI Cell List to include access type”, “TTY Codec Support” etc.❖ Performed G10 Probe Platform and application patches upgrade.❖ Performed G10 and Virtual probe Test Planning, execution, reporting, Defecttracking and management for VOIP IMS Network.❖ Performed Testing on Openstack environment on Virtual VMs❖ Performed Middleware Application (ESB-NIS/CSI/C-BUS) Testing and Support. Used SOAP UI for request generation and analysed logs through SPLUNK❖ Performed RCSe Test planning as per GSMA standard and documents. Worked on various features like One to One Chat, Group Chat, multiple video or file sharing, presence status, participants presence during group chat etc.❖ Performed IMS SIP STACK and RCSe Testing on Samsung Handset.❖ Extensive experience of log analysis, issue debugging of protocols on handset as well on IMS N/W individual server components❖ Performed VOIP Trading Solution (Server, Hard Phone, Soft Phone) Test Planning, execution,reporting, Defect tracking.❖ Worked on Various Call flow Scenarios like SIP flows (SI), ICM Call flow, Group Call flow, Conference Calls, HOOT Calls, FXS/FXO Call, T1/E1/QSIG Calls, Call Recording and debugging of these call flows from VOIP Trading Solution to external system components such as Media Server, Media Gateway, Alliance System with PLIC, DLIC, QSIG cards, Cisco CM, CUCM, Avaya & Nortel PBX and External PSTN lines.❖ Prepared SIPP and Prolab SIP call flow scripts and SIP conformance testing as per ITEF RFCs.❖ VOIP Trading Solution Certification for various releases with third party vendors in their LAB.❖ Installation/configuration/deployment of VOIP Trading Solution Application Server on Linux OS.

❖ Performed Feature Test Planning, Test execution, Test reporting, Defect tracking and management forDilithum content Adaptor streaming and Progressive download solution.❖ Performed load and stress Testing of Streaming solution with Load Runner and HTTP_LOAD tool andanalysed system performance and process cores and reported the issues to solution teams.❖ Audio and Video Quality testing for several media formats like Qcif, cif, VGA etc. for different type of audio and video codec contents

❖ Performed Features Test Planning, Test execution, Test reporting, Automation, Defect tracking andmanagement for Broadsoft Application Servers.❖ Performed Broadsoft Application server OCI and CALLP automation using Broadsoft Automation tool.❖ Performed Broadsoft Communicator features Test Planning, Test execution, Test reporting, Defect tracking and defect management.❖ Performed Installation/configuration/deployment of Broadsoft Application server, Network server, Media Server, Web Server, Call Detail Server on Linux and Solaris Operating Systems.❖ Performed audits on Broadsoft servers as per Broadsoft Guidelines.❖ Worked on various Broadsoft features like IMS CLI Provisioning, Call Manager, Broadsoft Receptionist,Broadsoft Auto Attendant, Broadsoft Call Centre and Broadsoft users, phone number and server’s features provisioning in web as well as in CLI.

❖ Performed Features Test Planning, Test execution, Test reporting, Automation, Defect tracking and defect management for Mitel SIP Phones (5215,5220,5212,5224,5235, Navigator).❖ Written SIP conformance Test plan based on various SIP RFCs.❖ Written NAT/STUN Test plan based on NAT/STUN RFCs.❖ Performed Phone APIs Testing.❖ Created SIP call flow messages in SIPness and SIPp simulator and performed SIP conformance Testing with SIPness and SIPp Tool.❖ Performed phone Audio Quality Testing with NIST-NET Network Simulator in separate dedicated network.❖ Performed Phone’s Interoperability testing with Broadsoft and Sylantro server by using theirinteroperability test plan.❖ Installation/configuration/deployment of NIST-NET Network Simulator and Asterisk Server on LINUXplatform for LAB validation work.❖ Installation/configuration/deployment of Bugzilla, Tomcat, Mysql, Apache, Apache Tomcat Connector on LINUX platform for LAB validation work.❖ Developed Call Scheduler application in Core Java for 2 party and conference call scheduling.❖ Developed 2 party call flow in core java based on 3PCC specification.❖ Performed Core JAVA Development, UNIT Testing, System testing, Test Planning, Test execution, Test for Call BACK server Solution.❖ Real Player Testing on Linux and Windows platform for various content type, various bit rates for different formats.