I am searching the 3GPP standards for information on CDR and how they are constructed. I am aware that they are encoded as ASN.1 and have found many examples of how SMS and Mobile Originated calls are encoded. All the parameters are shown with the options for the values.
What I am specifically looking for is the encoding for data usage, and the list of Mandatory and Optional fields. For example, a user launches a data application (eg - view a webpage, watch a video, etc), and then closes the application after 5 minutes, I expect that there is a defined set of values that are recorded such as Timestamp, Data Transmitted, Data Received, Duration, QoS, Originating IP etc.
Where would I find this in the 3GPP or ETSI standards? Thank you
hi,
ASN. 1 is a formal notation used for describing data transmitted by telecommunications protocols, regardless of language implementation and physical representation of these data, whatever the application, whether complex or very simple. Abstract Syntax Notation number One.t is broadly used in telecommunications and computer networking, and especially in cryptography. Protocol developers define data structures in ASN.
kindly refer this link:
https://www.oss.com/asn1/resources/standards-use-asn1.html
best wishes..
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