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Course Overview:

Designed to enable analysts to competently interpret UK Call Data Records (CDRs) for evidential and intelligence purposes. Delegates learn to cleanse, normalise, and manually analyse datasets from all UK networks in alignment with forensic best practice.

Key Topics:

  • Pre-course module covering cellular fundamentals, terminology and relevant excel skills

  • Cleansing & Normalisation of raw data: UK network formats (EE, Vodafone, O2, Three, MVNOs).

  • Voice & SMS Interpretation: Start/end cell correlations, A/B party records, VoLTE records, common identifiers.

  • Data Session Interpretation: Apply the correct "at or before" principles.

  • Understand other datasets including O2 DDRs, Vodafone sub-records.

  • Competency tests on course content, aligned to FSR Code DIG200 requirements.

Pre-Requisites:

Open to all levels of experience for Analysts, Digital Investigators, and RF Technicians working with UK communications data. Basic working MS Excel skills are an advantage.

Key Information:

+3 Days

In-person

Communications (CDR) Data Interpretation

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Herefordshire, UK

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© 2026 Technical Solutions Group Limited

Get in touch

TSG logo in black text with off white background

Herefordshire, UK

linked in 'in' logo in white (when presses turns teal and slightly smaller)

© 2026 Technical Solutions Group Limited

Get in touch