This document provides a summary of Siddarth Kaul's professional experience and qualifications. He has over 5 years of experience in network operations, technical support, and troubleshooting for Cisco, Polycom, and Avaya voice and video solutions. His roles have included network engineer, UC engineer, and tier 3 support engineer. He is proficient in technologies such as Microsoft Lync, Skype for Business, and Polycom RealPresence.