4G (4th Generation) Wireless, Acceptance Testing, Analysis Skills, Android, Bug Tracking/Defect Management, Business Model, Customer Experience, Field Trials, Fortune 500 Customers, Handsets, IP Multimedia System (IMS), Identify Issues, Information Technology & Information Systems, Mobile Devices, Mobile Operating System, National Security Agency (NSA), OEM (Original Equipment Manufacturer), Philosophy, Precision Testing, Process Improvement, Short Messaging Service (SMS), Telecommunications, Test Plan/Schedule, Test Tools, Wireless Communications, Wireless Multimedia Messaging Service, iOS