66 lines
2.3 KiB
Text
66 lines
2.3 KiB
Text
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#------------------------------------------------------------------------------
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# $File: ber,v 1.2 2019/04/19 00:42:27 christos Exp $
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# ber: file(1) magic for several BER formats used in the mobile
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# telecommunications industry (Georg Sauthoff)
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# The file formats are standardized by the GSMA (GSM association).
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# They are specified via ASN.1 schemas and some prose. Basic encoding
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# rules (BER) is the used encoding. The formats are used for exchanging
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# call data records (CDRs) between mobile operators and associated
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# parties for roaming clearing purposes and fraud detection.
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# The magic file covers:
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# - TAP files (TD.57) - CDR batches and notifications
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# - RAP files (TD.32) - return batches and acknowledgements
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# - NRT files (TD.35) - CDR batches for 'near real time' processing
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#
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# TAP 3 Files
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# TAP -> Transferred Account Procedure
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# cf. https://www.gsma.com/newsroom/wp-content/uploads/TD.57-v32.31.pdf
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# TransferBatch short tag
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0 byte 0x61
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# BatchControlInfo short tag
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>&1 search/b5 \x64
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# Sender long tag #TAP 3.x (BER encoded)
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>>&1 search/b8 \x5f\x81\x44
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# <SpecificationVersionNumber>3</><ReleaseVersionNumber> block
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>>>&64 search/b64 \x5f\x81\x49\x01\x03\x5f\x81\x3d\x01
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>>>>&0 byte x TAP 3.%d Batch (TD.57, Transferred Account)
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# Notification short tag
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0 byte 0x62
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# Sender long tag
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>2 search/b8 \x5f\x81\x44
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# <SpecificationVersionNumber>3</><ReleaseVersionNumber> block
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>>&64 search/b64 \x5f\x81\x49\x01\x03\x5f\x81\x3d\x01
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>>>&0 byte x TAP 3.%d Notification (TD.57, Transferred Account)
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# NRT Files
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# NRT a.k.a. NRTRDE
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0 byte 0x61
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# <SpecificationVersionNumber>2</><ReleaseVersionNumber> block
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>&1 search/b8 \x5f\x29\x01\x02\x5f\x25\x01
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>>&0 byte x NRT 2.%d (TD.35, Near Real Time Roaming Data Exchange)
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# RAP Files
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# cf. https://www.gsma.com/newsroom/wp-content/uploads/TD.32-v6.11.pdf
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# Long ReturnBatch tag
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0 string \x7f\x84\x16
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# Long RapBatchControlInfo tag
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>&1 search/b8 \x7f\x84\x19
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# <SpecificationVersionNumber>3</><ReleaseVersionNumber> block
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>>&64 search/b64 \x5f\x81\x49\x01\x03\x5f\x81\x3d\x01
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# <RapSpecificationVersionNumber>1</><RapReleaseVersionNumber> block
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>>>&1 string/b \x5f\x84\x20\x01\x01\x5f\x84\x1f\x01
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>>>>&0 byte x RAP 1.%d Batch (TD.32, Returned Account Procedure),
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>>>&0 byte x TAP 3.%d
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# Long Acknowledgement tag
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0 string \x7f\x84\x17
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# Long Sender tag
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>&1 search/b5 \x5f\x81\x44 RAP Acknowledgement (TD.32, Returned Account Procedure)
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