Voice over IP (VoIP) – (Corporate Only)


VoIP provides the understanding of the components and technologies used in Voice over Internet Protocol, with basic idea about the services and signaling protocols. Participants gain an overview on the performance requirements of the circuit/packet switched networks and security in VoIP networks.

The course identifies the main elements of telecom and their implementation in accessible network.


Course Pre-requisites

Participants attending VoIP course should have a good understanding of TCP/IP protocol suite and IP addressing prior to attending this course. He or She should possess relevant experience on telecom network services with knowledge of IMS.

Course Objectives

  • Identify and describe VoIP components and Technologies
  • Describe the benefits and business models
  • Explore the Residential/Business VOIP services
  • Explain the competing areas of standards development: SIP, H.323 and H.248/Megaco and Media Gateway Control
  • Compare and contrast H.323 and SIP
  • Describe the IP Addressing and Routing protocols
  • Explain the Quality of Service and performance requirements in the packet switched networks
  • SIP sequences for call control
  • MEGACO and Media Gateway Control
  • Bearer-Independent Call Control (BICC)
  • SS7 and IP
  • Voice Coding Requirements
  • Codec Comparisons
  • Voice Quality in VoIP Networks

Course Summary

  • Introduction to VoIP
  • VoIP Services and Applications
  • Architectures for VoIP Services
  • Protocols and Technologies
  • VoIP Performance Requirements
  • VoIP in Telecoms Networks
  • Security and AAA

Course Outline

Introduction to VoIP

  • VoIP, IP Telephony & Unified Communications
  • VoIP Components
  • VoIP Protocols

Voice Packetization

  • Speech Processing
  • Voice Bandwidth Considerations
  • Voice Delay Considerations

Voice Transport Protocols


VoIP Signaling Protocols

  • SIP, H.323, MGCP & MEGACO

VoIP & Next Generation Telecom Networks

  • Softswitch
  • Media Gateways

VoIP Performance Requirements

  • Packet Network Performance
  • Possible Impact on Voice Services
  • Comparing Circuit and Packet Switched Performance
  • Delivering QoS in Packet Networks
  • QoS Mechanisms and systems
  • Mixing Voice and Data

   VoIP in Telecoms Networks

  • Evolved Telecoms Networks
  • Access Network Performance
  • Access Network Characteristics
  • Core Network Architectures
  • IP Service Control
  • The IP Multimedia Subsystem (IMS)
  • IMS Service Control
  • Quality of Service in GPRS – DiffServ, IntServ, and RSVP
  • Use of E.164 numbering scheme
  • Evolution to 3G UMTS
  • The ETSI TISPAN Model for IMS
  • Integrating Wireless LAN into the Network
  • VoIP and Fixed Mobile Convergence (FMC)
  • Interworking VoIP with Legacy Systems

   Security and AAA

  • Security Considerations
  • Types of Network Attacks
  • Transport Layer Security (TLS)
  • Wireless Transport Layer Security (WTLS)
  • IPSec (IP Security
  • Secure Connections and VPNs
  • Internet Key Exchange (IKE)
  • Public Key Infrastructure (PKI)
  • Radius (Authentication, Authentication and Accounting)
  • Diameter AAA
  • Radius and Diameter sequences
  • Extensible Authentication Protocol (EAP)
  • Managing the Network

Live Virtual Class Info

This course can be delivered in live virtual classroom mode, where,  you do not have to travel miles to take up this courses as we bring learning at your fingertips

Cognitel’s easy-to-use interactive online platform provides access to students and professionals to engage in courses, delivered by our experienced subject matter expert, from comforts of their home, office or on mobile devices.

In Live Virtual Classroom training, there is provision of :

    1. One to One Training (Personalized) :

  • The start date can be scheduled depending on the participant’s convenience.
  • 5 classes @ 4 hours per day
  • Training Time:
    • 1900 hours to 2300 hours (Indian Standard Time)
    • 1330 hours to 1730 hours (Greenwich Mean Time)

    2. Group Training  :

  • Minimum batch size: 5 (to initiate a batch)
  • 5 classes @ 4 hours per day
  • Training Time:
    • 1900 hours to 2300 hours (Indian Standard Time)
    • 1330 hours to 1730 hours (Greenwich Mean Time)



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