BARCELONA, Spain--(BUSINESS WIRE)--NetScout® Systems, Inc. (NASDAQ: NTCT), a market leader in application and network performance monitoring solutions, announced today that it will demonstrate how its service assurance solution provides support for Voice over Long Term Evolution (VoLTE) with advanced analytics from its nGeniusONE™ Performance Management platform at Mobile World Congress (MWC), March 2-5, 2015, in Barcelona, Spain.   WHERE:     NetScout Systems, Inc. at Mobile World Congress 201