Broadband and Fiber-Optic Training | Courses, Certifications & Degrees | NCTI

Train up.

Delivery: Online | Est. Length: 2 Seat Hours | Price: $195.00

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Course Overview

The NCTI Delivering Voice course is the essential primer for broadband professionals selling or supporting digital phone services.

While “landlines” are legacy technology, the need for reliable voice communication is constant. This course explains the evolution from the traditional Public Switched Telephone Network (PSTN) to the modern Voice over IP (VoIP) landscape. Crucially, it highlights the difference between standard internet VoIP and the cable industry’s PacketCable™ standard—giving your team the technical arguments they need to explain reliability and quality to customers.

Who Should Attend:

  • Sales Consultants
  • Customer Service Representatives
  • Entry-Level Installers
  • Retention Specialists

What You Will Learn

Upon completion, students will be able to articulate the technical and functional differences between circuit-switched (POTS) and packet-switched networks.

Core Competencies:

  • Legacy vs. Modern: Compare the Public Switched Telephone Network (PSTN) and Plain Old Telephone Service (POTS) against modern packet switching technology.
  • PacketCable™ Advantage: Explain how the industry’s PacketCable standard differs from (and outperforms) generic “Over-the-Top” VoIP services.
  • Hardware Fundamentals: Describe the function of the Embedded Multimedia Terminal Adapter (eMTA) and its role in the home network.
  • Architecture: Define IP Network tiers and how different versions of DOCSIS support voice quality.
  • Installation & Features: Outline the installation process for cable telephony and describe competitive calling features.

Certification and Benefits

Sell Voice with Confidence

This course empowers professionals to move beyond selling on price alone, allowing them to sell on technology and reliability.

Additional Benefits:

  • Industry Recognition: Receive the NCTI Certificate of Graduation.
  • Quick Upskill: A concise 2-hour curriculum available online for up to four months.
  • Competitive Edge: Better understand the landscape of digital voice competitors.

Course Outline

Module 1: Reviewing the Traditional Telephone System

  • The Public Switched Telephone Network (PSTN).
  • Defining Plain Old Telephone Service (POTS).

Module 2: Describing Voice Over Internet Protocol (VoIP)

  • Introduction to Packet Switching.
  • Defining IP Networks.

Module 3: The Evolution of Cable Telephony

  • DOCSIS contributions to Voice.
  • Introducing the PacketCable™ standard.
  • VoIP Architecture.

Module 4: Explaining PacketCable Operations

  • The Customer VoIP Interface and eMTA.
  • Call flows and connections.
  • Installation, features, and competitive analysis.