Intro to IP Telephony Certification Training Course Overview

The history of telephony starts with the public switched telephone network (PSTN), which is the worldwide circuit-switched telephone network made up of open and private networks. Voice over IP (VoIP) is the most recent telephone technology which is able to provide advanced services to both purchasers and organizations at a reduced cost. Intro to IP Telephony course students will history and activity of the PSTN and VoIP and compare the two innovations.
In this course students will review the TCP/IP protocol and basic routing and cover such VoIP elements as analog and digital interfaces, numbering and dial plans, gateways and gatekeepers, and the different protocols used in VoIP operation. After completion of this course students will be able to address major quality issues, such as delay and jitter, as well as security issues such as confidentiality and spoofing.
  • IT Professionals with understanding of Networking and also familiar with VoIP Technology.


Intro to IP Telephony (16 Hours) Download Course Contents

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Course Modules

Module 1: Overview of the PSTN and Comparisons to Voice over IP
  • The Beginning of the PSTN
  • Understanding PSTN Basics
  • PSTN Services and Applications
  • Drivers Behind the Convergence Between Voice and Data Networking
  • Packet Telephony Network Drivers
  • New PSTN Network Infrastructure Model
Module 2: Enterprise Telephony Today
  • Similarities Between PSTN and ET
  • Differences Between PSTN and ET
  • Common ET and PSTN Interworking
Module 3: Basic Telephony Signalling
  • Signalling Overview
  • E&M Signalling
  • CAS
  • ISDN
  • QSIG
Module 4: Signalling System 7
  • SS7 Network Architecture
  • SS7 Protocol Overview
  • SS7 Examples
  • List of SS7 Specifications
Module 5: PSTN Services
  • Plain Old Telephone Service
  • Business Services
  • Service Provider Services
Module 6: IP Tutorial
  • OSI Reference Model
  • Internet Protocol
  • Data Link Layer Addresse
  • IP Addressing
  • Routing Protocols
  • IP Transport Mechanisms
Module 7: VoIP: An In-Depth Analysis
  • Delay/Latency
  • Jitter
  • Pulse Code Modulation
  • Voice Compression
  • Echo
  • Packet Loss
  • Voice Activity Detection
  • Digital-to-Analog Conversion
  • Tandem Encoding
  • Transport Protocols
  • Dial-Plan Design
Module 8: Quality of Service
  • QoS Network Toolkit
  • Edge Functions
  • Traffic Policing
  • Backbone Networks
  • Rules of Thumb for QoS
  • Cisco Labs’ QoS Testing
Module 9: Billing and Mediation Services
  • Billing Basics
  • Case Study: Cisco SIP Proxy Server and Billing
  • Challenges for VoIP Networks
  • Mediation Services
Module 10: Voice Security
  • Security Requirements
  • Security Technologies
  • Protecting Voice Devices
  • Protecting IP Network Infrastructure
  • Security Planning and Policies
Module 11: H.323
  • H.323 Elements
  • H.323 Protocol Suite
  • H.323 Call-Flows
Module 12: SIP
  • SIP Overview
  • SIP Message Building Blocks
  • Basic Operation of SIP
  • SIP Procedures for Registration and Routing
  • SIP Extensions
Module 13: Gateway Control Protocols
  • MGCP Overview
  • MGCP Model
  • MGCP Commands and Messages
  • MGCP Call Flows
  • Advanced MGCP Features
  • H.248/MEGACO
Module 14: PSTN and VoIP Interworking
  • Cisco Packet Telephony
  • Packet Voice Network Overview
  • PGW2200 Architecture and Operations
  • PGW2200 Implementation
  • PSTN Signalling Over IP
  • Changing Landscape of PSTN-IP Interworking
  • Session Border Controller (SBC)
Module 15: Service Provider VoIP Applications and Services
  • The Service Provider Dilemma
  • Service Provider Applications and Benefits
  • Service Provider VoIP Deployment: Vonage
  • Service Provider Case Study: Prepaid Calling Card
  • Session Border Control: Value Addition
  • VoIP Peering: Top Priority for the Service Providers
  • Service Provider VoIP and Consumer Fixed Mobile Convergence
Module 16: Enterprise Voice over IP Applications and Services
  • Migrating to VoIP Architecture
  • Enterprise Voice Applications and Benefits
  • Advanced Enterprise Applications
  • Wi-Fi–Enabled Phones
  • Better Voice Quality Using Wideband Codecs
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Course Prerequisites
  • Basic Computer Knowledge.

Upon Completion of this Course, you will accomplish following:

  • PSTN and VoIP Fundamentals
  • VoIP Technologies
  • VoIP Quality and Security