Top Skills' Details 1. Voice and telephone systems (2 yrs) - Candidate should have VOIP and NEC experience, understand fundamentals, enterprise telephone and NEC phone systems. 2. Distributed Antenna Systems (DAS) and Voice Infrastructure Support - candidate should understand how DAS works, troubleshooting coverage and performance issues, working with carriers. 3. Voice-Focused Troubleshooting and Programming - Candidate should be able to troubleshoot voice issues end to end, understand programm