We are a software solutions and network operations systems provider for the telecommunications industry. Network Expert Software Systems (N.E.S.S.). N.E.S.S. was formed in the mid-1990s to apply expert systems technology to the management of telecommunications networks. Products include the patented and trademarked Assure911 platform, which gives a focus on gathering and analyzing data transmitted and stored within the public switched telephone network databases used to manage emergency services. Assure911 has been updated to support merging Next Generation 9-1-1 networks. For more information, or to speak with a N.E.S.S. representative, call us toll-free at 1-888-829-NESS.