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OSS Nokalva's ASN.1 toolkits offer compilers and runtime libraries that are optimized for performance and/or size. Our tools include an intuitive IDE, and diagnostic capabilities that minimize your development time and effort...

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Who we are

With 30 years of experience and 1500+ customers worldwide, OSS Nokalva is proud to be the most trusted ASN.1 vendor...

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5G & LTE PRODUCTS
ASN.1 and LTE

Learn more about our suite of 5G & LTE products that support LTE ASN.1-based protocols, as well as NAS.

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ASN.1 Training

OSS Nokalva expert instructors can deliver comprehensive ASN.1 training at either our Somerset NJ headquarters or at your site. Whether you need a quick introduction to ASN.1 or prefer advanced technical training, OSS Nokalva is here to help....

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500+ Platforms

OSS Nokalva has ported its products to over 500 platforms. OSS will port to any platform upon request...

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ASN1.IO

Experience the full power of our popular asn1.io web applications that complement your current ASN.1 or NAS Tools.

What Is ASN.1?

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ASN.1 Made Simple

If you are new to ASN.1 and want to find out more about it without going too deeply into technical details, check out our short ASN.1 overview with simple examples and explanations of ASN.1's most common features.

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ASN.1 JSON ENCODING RULES

The OSS ASN.1 Tools for C, C++, C#, and Java support the ASN.1 JSON Encoding Rules (JSON ER), which enables you to create and parse JSON messages.

Download a free evaluation and try JSON ER with your ASN.1 schema.

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Free trial
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Test drive the OSS Nokalva ASN.1 and 5G & LTE Tools now! Your trial includes everything you need to get started—software, documentation, sample programs, free 24x7 technical support, and more.





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OSS Most Trusted ASN.1 vendor