4G Products





4G NAS-1Step

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 consists of a main application and one or more plug-ins, each supporting a particular version of the NAS protocol.

NAS (small) NAS (big)

NAS-1Step provides several functions such as:

  • a text viewer that displays a description of the structure of NAS messages in a formal notation (ASN.1) and supports both syntax coloring and syntax-aware navigation; and
  • a message viewer/editor able to load an encoded message from a file, decode the message, create a new message, make changes to a message, re-encode it, save it, and so on.
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).

Learn LTE
Learn ASN.1

OSS' partner Mpirical offer both online and onsite classes on generic mobile and wireless technology.

Free Trial
download

Download the 4G Tools today!




24x7 Tech Support

contact

We are here: 24 hours a day, 7 days a week.

  • Phone: 1-888-OSS-2761 (USA and Canada)
  • Phone: 1-732-302-9669 (International)
  • Fax: 1-732-302-0023
  • Email: support@oss.com

Quickly receive answers to your support questions.