Tripuresh Pandey

Experience

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  Huawei Technologies India

  May 2015 - Oct 2017

  Testing Engineer

  SIP Functionality Testing: Led the creation of comprehensive test cases for SIP functionality, covering various features such as call cancellation, call transfer, and call forward (busy, no answer).Protocols Mastery: Expertise in SIP and SDP protocols, ensuring a deep understanding of the underlying technologies.Inter-Operability Testing: Played a crucial role in Inter-Operability Testing, ensuring seamless integration with diverse network environments.Scope Analysis: Conducted in-depth analysis to define the scope of testing, providing clarity and direction for the testing process.Test Case Design and Execution: Developed and executed test cases, ensuring thorough coverage and adherence to quality standards.Bug Tracking: Managed bug tracking system, promptly posting identified bugs, and updating the system as appropriate.Audio-Video Codec Analysis: Analyzed different audio-video codecs and payloads, contributing to enhanced system performance.SIP Trace Analysis: Proficient in SIP trace analysis using tools like Wireshark, ensuring effective troubleshooting and issue resolution.VoLTE Testing: Conducted comprehensive Volte End-to-End Testing, with a focus on log analysis to identify and address failure causes.Debugging Expertise: Proficient in debugging for CSCF, BGCF, MGCF, and TAS nodes, utilizing in-depth analysis of VoLTE logs.Issue Escalation: Successfully addressed issues, including the wrong mapping of SIP error codes, which resulted in incorrect announcement mapping in the TAS.IMS Huawei Products: Hands-on experience with IMS Huawei products, including ATS-1100, CSC3300, ATS9900, BGCF (UAC3000), MGCF (UGC3200), HSS, ENUM, and SBC.LTE Testing: Extended expertise to include LTE testing, ensuring a comprehensive approach to network performance and compatibility. Show less

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  UST

  Oct 2017 - Aug 2019

  Network Operation Associate

  • Enthusiastic IMS QA Engineer with a pivotal role in ensuring the success of VoIP Product Releases.• Proficient in feature testing, ensuring meticulous examination of MTAS behavior for various Voice Calls scenarios. My focus includes in-depth testing of MTAS features to guarantee optimal performance.• Actively engaged with customer requirements, demonstrating a keen ability to understand documents, write comprehensive test plans, prepare scripts, and execute tests effectively. This customer-centric approach ensures that product releases meet and exceed customer expectations.• Possess a strong understanding of XCap and Ut interfaces, leveraging this knowledge to enhance testing protocols and ensure seamless communication within the IMS architecture.• Adept at testing IMS registration and Call Conference features with MRFC AS, ensuring that these critical functionalities perform flawlessly and meet the highest standards of reliability. Show less

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  Hughes Systique Corporation (HSC)

  Aug 2019 - now

  Principal Engineer

  • Spearheaded end-to-end delivery of VoIP Product Releases for ARRIS/CommScope CPE products, deploying Triple Play services (Voice, Video, and Data) across North America, Europe, and Australia.• Conducted comprehensive feature testing, ensuring adherence to RFC5359 standards for all call flows.• Orchestrated meticulous test planning, including the preparation of test beds and development of test cases, to guarantee the highest quality standards for CPE products.• Collaborated directly with customers to design and deploy networks, troubleshoot production network issues, and address challenges in Customer Labs.• Successfully recreated and analyzed field defects reported by customers, implementing effective solutions to enhance product performance.• Executed specialized testing, encompassing bulk calls, fax calls, MOS testing, IP passthrough calls, voice defaults (codec and DTMF), IAD call scenarios on AT&T devices, and Cisco SPA testing on products.• Ensured seamless interoperability by testing IMS registration and call flows with deployed networks.• Executed advanced testing activities such as bulk data upload using HTTP servers and testing TR69/CWMP communication with ACS using HTTP/HTTPS as a transport mode.• Spearheaded 5G testing initiatives, leveraging in-depth knowledge of 5G technology, protocols, and call flows, ensuring optimal performance and reliability.• Introduced UE-related test automation, streamlining testing processes and enhancing efficiency in validating user equipment functionalities.• Functioned as the Scrum Master, guiding and supporting cross-functional teams during the Agile development process. Facilitated Scrum ceremonies, removed impediments, and ensured adherence to Agile principles, particularly in the development of URLLC (Ultra-Reliable Low Latency Communication) and E2 development features. Show less