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Telecom CDR decoder in ASN.1 format

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squirrel

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Hi,
Can anyone please tell me the way (like script or any reference) of decoding telecom CDR files in ASN.1 format. Also if possible, please provide me some resource about telecom billing solution development.

Thanks a lot.
 

Hi Squirrel,

There are at least two types of ASN.1 encoding (PER and BER) and one is a bit simpler than the other!
You don't usually use a script, but rather you need some software which uses as it's input the
definition file which will be in the telco reference doc. It may get compiled in.
There are most likely vendors of software that will perform the encoding or decoding function,
or you would have to write it yourself.
An example vendor is trillium - I've never used it, so I can't comment on if it is good or bad.
 

Please take a look at https://www.oss.com/asn1/products/asn1-products.html and download a free trial of the ASN.1 Tools for your target programming language. Among the samples are examples of decoding CDRs. Note that there are several variations in the ASN.1 specifications used for CDRs, so you need to be sure you have the correct ASN.1 specification for the CDRs you are trying to decode. Also included in the free trial of the OSS ASN.1 Tools is the OSS ASN.1 Studio which is an IDE that allows you to encode/decode ASN.1 message (such as CDRs) without writing any code. This is where I would start in trying to decode CDRs.
 
thanks for the info, any source code in java/c++ would help much.
 

The free trial from OSS Nokalva includes sample programs (source code) for whichever target language you select to help you get started in using the ASN.1 Tools for your project. You can also check the Knowledge Center at https://www.oss.com/support/knowledge-center.html for additional examples (which also include source code).
 
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