CALEA: Technologies and Compliance

Courses: Telecom, Telecom Security
  • Course:CALEA: Technologies and Compliance
  • Course ID:CALEA Duration:2-3 days Where: Your Office (7+ Persons)
  • Available as a private, customized course for your group at your offices or ours and in some cases as a WebLive(TM) class.

  • Download Course Description (PDF)

Course Outline

  • History of Lawful Intercept in the US
  • Communications Assistance for Law Enforcement Act (CALEA)
    • CALEA Vocabulary
    • Procedural Overview
      • Traditional Wiretapping
      • VoIP/Unified Communications
    • Call Identifying Information
    • Call Content
    • Responsibilities for Telecom Equipment Manufacturers
  • CALEA Compliance
    • FBI Regulations
    • FCC Regulations
    • Law Enforcement Filings
  • Electronic Surveillance Standards
    • Lawfully Authorized Electronic Surveillance: J-STD-025-2000
    • Lawfully Authorized Electronic Surveillance (Trial Use) (Addendum 1): J-STD-025-1-2000
    • Lawfully Authorized Electronic Surveillance (Trial Use ) (Addendum 2): J-STD-025-2-2000
    • Lawfully Authorized Electronic Surveillance (Trial Use): J-STD-025A-2000
    • OAM&P – Extension to Generic Network Model for Interfaces between Service Provider Administrative System (Lawful Authorized Electronic Surveillance) and Network Elements: T1.260-1998
    • CALEA Suite of Standards for Traditional Paging, Advanced Messaging and Ancillary Service
    • PacketCable™ Electronic Surveillance Specification: PKT-SP-ESP-I01-991229
    • IP Cablecom Electronic Surveillance Standard: SCTE 24-13 2001
  • Traditional TDM Architectures and Protocols
    • Analog and Digital
    • Voice Coding
    • TDM Voice Signaling
      • In Band
      • Out of Band
    • Call Identification
    • End-to-End Call Flow
  • Packet Voice Architectures and Protocols
    • Digital Voice Coding in VoIP
    • VoIP and UC Voice Protocols
      • H.323
      • Session Initiation Protocol (SIP)
      • Proprietary (Cisco Skinny, etc.)
      • Real Time Protocol/Real Time Control Protocol
    • Numbering and Identification
      • Phone Numbers
      • IP Addresses
      • MAC Addresses
      • URIs/URLs
    • Detection Avoidance Methods and Countermeasures
  • Mass/Bulk Surveillance
  • CALEA Technical Details
    • Traditional Wire-tapping Techniques
    • Trap and Trace
    • CALEA Protocol Messages
    • The Call Content Channel (CCC)
    • Local Digital Switch (LDS) to the Collection Equipment Interface
    • ASN.1 Messages and J-STD-025 Call Data Channel (CDC)
    • CALEA ASN.1/BER Structure
    • Implementation and Testing Procedures
  • CALEA implementation
    • Requirements and Responsibilities
    • Timeframes
    • Penalties for Non-compliance
    • Compliance Services
  • Conclusion
Course Overview

Course in a Nutshell

We will begin with the fundamentals needed to understand CALEA implementation in conventional Time Division Multiplexing (TDM) circuit voice networks and the emerging IP-packet based Voice over IP (VoIP) and Unified Communications systems. This will be followed by a comprehensive discussion of the CALEA concepts, issues, requirements, and implementation.


Customize It!

Customize this course to your group’s requirements at little-to-no added cost. We can teach this course from the law enforcement perspective or that of carriers and service providers.
This course can be extended to cover conventional and/or packet voice concepts and details in more depth; or shortened, covering CALEA only for audiences who are already knowledgeable in voice systems.

Audience / Prerequisites

Aimed At

Law enforcement officers and agents who must understand conventional TDM telephony technologies as well as their emerging packet-based counterparts as they relate to CALEA as well as carrier and service provider personnel responsible for CALEA compliance.



You should have a basic understanding of TDM circuit and IP packet network operations and protocols.