NAS-1Step is a Windows application that enables you to interactively create, view, and edit messages conforming to the 3GPP Technical Specification 24.301 (Non-Access-Stratum protocol).
NAS-1Step provides several functions, such as:
NAS-1Step is a useful tool for anyone working with the NAS protocol, from system designers to application developers and testers. It can be used for a range of activities, including displaying a NAS message in a collapsible tree-view, editing a NAS message, creating a set of NAS messages for testing purposes, and so on, and allows one to work simultaneously with messages belonging to multiple versions of the NAS protocol (multiple 3GPP releases).
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