Prerequisite Courses:  Countermeasures Core Concepts

DESCRIPTION

This five-day digital telephone course builds upon the Countermeasures Core Concepts course and provides in-depth instruction on digital and VoIP telephone systems testing and analysis for technical threats, including the operation of the TALAN Telephone and Line Analyzer.

UPCOMING COURSES

Course DatesReserve Your Spot
August 24, 2026 - August 28, 2026Register
November 16, 2026 - November 20, 2026Register

Note: Training begins at 8:30 a.m. CST and typically ends at 4:30 p.m.

COURSE TOPICS

  • Telephone system characteristics and vulnerabilities
  • Countermeasure tests:
    • Frequency Domain Reflectometry (FDR)
    • Voltage/ohms tests
    • Digital demodulation and audio detection
    • Non-Linear Junction Detection (NLJD) on a wire
    • Digital telephone countermeasure analysis procedures
    • Other line testing and analysis
  • Elements of a VoIP network
  • VoIP protocols
  • Capturing and analyzing VoIP traffic with the TALAN

Registration: US$2,395 per student (multi-course discount available)