Voice over IP training - VoIP training

A comprehensive, up-to-date course on VoIP for those who need to get up to speed, sort out architectures, protocols, standards, buzzwords and jargon, understand issues, separate hype from reality and plan for managing deployment of VoIP.

This course is ideal for managers, and professionals involved with analysis, planning, purchasing, marketing, sales or administration of VoIP systems, products or services.

Here’s why you should take this course:

    Eliminate frustration and uncertainty of not knowing terms and technologies through a clear explanation of VoIP fundamentals, systems, components, standards, jargon and buzzwords.
    Cut through the vendor hype and jargon to get an unbiased understanding of mainstream choices for VoIP implementation which allow you to make informed decisions and meaningful comparisons.
    Get an overview of security including: machine security, network security, OS security, information security, app security, communication security, and the risks, mitigation measures and best practices.
    Get updated on 5G, new spectrum, New Radio, 5G handsets, and the way that in the future everything will be online from toasters to self-driving transport trucks to brain implants.
    Receive an up-to-date 225-page high quality bound student manual / reference with detailed text notes bringing all of this information together in a resource which is impossible to find in one place anywhere else.
    Learn from the best. Our instructors consistently receive high ratings on student evaluations including specific praise for their ability to explain complex ideas in simple terms; have decades of work experience in telecommunications; hold Engineering degrees or the equivalent.
    Obtain an optional VoIP certification. The TCO Certified VoIP Analyst (CVA) Certification Package Unlimited Plan is included.

Covering the topics in a systematic way, we build structured knowledge that lasts a lifetime.

You'll gain key concept-level knowledge, and a totally unbiased view of VoIP technologies, trends and mainstream solutions that you can't get on the job, from magazines or vendors.

A must for anyone involved in a VoIP project, or wanting to upgrade their marketable knowledge skills.

Following is the course outline. Click the links above for full information on this VoIP training seminar.

Course 130  Voice over IP (VoIP)

Course 130 Voice over IP, SIP, Security, 5G and IoT is 2 days of vendor‑independent training for non‑engineers covering VoIP, SIP, a survey of security, 5G, IoT (the Internet of Things), and examples of applications like Ultra-Broadband, Platooning on Interstates and Smart Cities.

Course Overview

Part 1: VoIP and SIP
VoIP Systems, Components, Standards, Jargon and Buzzwords
VoIP for Individuals
VoIP Implementations for Businesses
SIP and Call Flow in the IP World
Voice Quality
VoIP Carrier Services

Part 2: Security
Security Risks and Measures, VPNs, SD-WAN

Part 3: 5G and IoTv 5G: New Radio and New Spectrum
Application Examples: Smart Cities, Platooning and more

Part 1: VoIP and SIP

The first part of this course is devoted to VoIP basics and SIP. We cover what Voice over IP is, what SIP is, how SIP works, SIP Trunking, all of the buzzwords, jargon and concepts, and the pros and cons of possible VoIP system models: Softswitch / Call Manager vs. IP Centrex vs. Hosted PBX vs. Cloud Service.

1. VoIP Components, Systems, Standards, Jargon and Buzzwords

We begin with VoIP buzzwords and jargon, the basics of voice communication using IP packets, the components of VoIP systems and what they do: soft switches, gateways, media servers and terminals, plus the key protocols and standards used in VoIP systems. In the last lesson we cover "where this is headed" - what basic "telephone" service will look like 20 years from now.

  1. The Big Picture
  2. VoIP System Components
    1. Terminals
    2. Voice in IP Packets
    3. Softswitches / SIP Servers / Call Managers
    4. Media Servers and Unified Messaging
    5. Gateways
    6. LANs and WANs
  3. Key VoIP Standards
  4. Where This is Headed: Broadband IP Dial Tone

2. VoIP for Individuals

“Voice over IP” mean many different things. We begin with how it got started: phone calls between individuals over the Internet. You will learn how VoIP telephone service works over the Internet with a practical demonstration of Voice over the Internet to a cell phone. We will trace the voice packets from end to end, through all of the devices, buildings, circuits and carriers involved, starting from a laptop in the class over the Internet and on to a cell phone in the class.

  1. Internet Telephony: Computer-Computer VoIP over Internet
  2. Internet Telephony Clients
  3. VSPs: Internet to Phone e.g. Skype to Phone
  4. Class Exercise: Trace a Phone Call from Laptop to Cellphone
  5. VSP: Internet VoIP with Adapter and PSTN Phone Number e.g. Vonage
  6. VoIP Becomes the New POTS

3. VoIP Implementations for Businesses

We will compare and contrast the various choices for a VoIP phone system for a business: upgrading an existing PBX; implementing a Hosted PBX; replacing the PBX with a softwitch or Call Manager; using a Softswitch as a Service; IP Centrex; and Cloud-based services from the phone company. You will gain the knowledge to differentiate VoIP architectures and confidently discuss the pros and cons of the options.

  1. VoIP-Enabled PBX and Migration Options
  2. Premise Softswitch / Call Manager: PBX Replacement
  3. Hosted PBX and Cloud Services: Softswitch as a Service (SaaS)
  4. SIP Trunking
  5. IP Centrex
  6. Asterisk and Open-Source Softswitch Software
  7. Phone Powering and PoE
  8. LAN Configuration for VoIP
  9. Public Safety Communications
  10. Star-Trek Personal Communicators for Hospitals
  11. Applications Running on Business VoIP Phones
  12. IP Call Center Application Example

4. SIP and Call Flow in the IP World

SIP is the open standard protocol used to set up Voice over IP phone calls. A standards-based VoIP systems must follow the Session Initiation Protocol. SIP defines the procedure and messages for setting up a phone call, or any kind of communication. We will explain what SIP is, how it works, and the relationship between SIP and softswitches and call managers demystifying jargon like proxy server. Then we will trace the steps to establish an IP phone call. In the end, you will understand how phone calls are implemented in VoIP telephone systems which in itself may be worth attending the course!

  1. What SIP is and What it Can Do
  2. Relationship to Other Protocols
  3. SIP URIs: "Telephone Numbers"
  4. Registration and Location
  5. Outbound Proxy
  6. Finding the Far End
  7. The SIP Trapezoid
  8. SIP Message Example
  9. How SIP Relates to Softswitches and Call Managers
  10. Relating PSTN Phone Numbers to SIP URIs
  11. Google Voice: Cloud SIP Services for Individuals

5. Voice Quality

Call quality is key, particularly for the callers! Here, you will learn how voice quality is measured, what factors affect VoIP quality including codec, jitter, delay and lost packets, and how they can be mitigated. We will demystify how packets actually get "lost" or delayed, and listen to the resulting reduced call quality. We finish with a practical list of tips and recommendations to ensure success.

  1. Voice Packetization
  2. Measuring Voice Quality
  3. Factors Affecting Voice Quality
  4. Codecs, Compression and G.711
  5. Network Delay and Jitter
  6. RTP and UDP
  7. IP Networks: Layers 1-3
  8. Protocol Stack: RTP, UDP, IP, MAC
  9. Packet Loss and Sound Samples – In-Class Demo
  10. Testing and Troubleshooting Voice Quality
  11. Tips for Maximizing Voice Quality

6. VoIP Carrier Services

We complete the Voice over IP section of the course with carrier connections, starting with CoS (Class of Service) performance guarantees in SLAs (Service Level Agreements) and ending with selection of a VoIP carrier. We will cover SIP trunking as a replacement for PBX trunks for business telephone systems; connecting with Megaco and gateways; and how cellular, internet, cable and incumbent carriers connect for VoIP phone calls to and from the PSTN.

  1. Carrier Class of Service (CoS)
  2. SIP Trunking Service
  3. VoIP at Carriers: Session Border Controllers
  4. PSTN VoIP Interconnection at the Toll Center
  5. PSTN Tandem Access Trunk Interconnection at the Toll Center
  6. Connecting Legacy PBX Trunks with Gateways
  7. Comparing Transmission Choices: SIP Trunking, MPLS VPN and SD-WAN
  8. Selecting a VoIP Carrier

The VoIP section ends with a fill-in-the-blank Final Exam where you identify all the pieces of information required to make a VoIP phone call at each OSI Model layer. Don't panic! The class splits into groups to work on the open book exam together. It is a very helpful exercise to confirm BOOT CAMP knowledge learned to this point of the week.

Part 2: Security

Security and communications go hand-in-hand, so next we will go through a comprehensive overview of security including the threats to networks, systems and information, the measures that can be implemented, and best practices.

7. Security Risks and Measures

In this extensive section, you will receive a comprehensive overview of security. We will begin with an overview and the identification of valuable targets. We will cover phishing and extortion, and how data from "breaches" is used. Next, we will explore the risks and mitigation measures, and network security best practices, firewalls and ports; private and public key encryption, digital certificates, digital signatures, Internet VPNs, SD-WANs, trojans, viruses and exploits, plus Wi-Fi and VoIP security.

  1. Security Areas, Risks and Policy
  2. Attacker Objectives
  3. Phishing and Extortion
  4. Using Stolen Usernames and Passwords
  5. Social Engineering
  6. Network Security: Segmentation and Perimeters
  7. Packet Forwarding vs. Packet Filtering
  8. Port Filtering & Open Ports
  9. Firewalls & Firewall Proxies
  10. Stateful Packet Inspection Firewalls
  11. Public Key and Private Key Encryption
  12. Authentication, Passwords and Digital Signatures
  13. Digital Certificates, TLS and SSL
  14. Wi-Fi Security and WPA2
  15. IP VPNs
  16. SD-WAN
  17. Country-Spoofing VPN Service
  18. Anonymizer VPN Service
  19. Viruses
  20. Trojan Horses and Spyware
  21. Exploits, Zero-Day Exploits & National Vulnerability Database
  22. VoIP Security

Part 3: 5G and IoT

The course winds up with upcoming technologies, particularly 5G wireless and IoT, the Internet of Things explaining how everything from self-driving trucks to human brain implants to toasters will be online.

8. 5G: New Radio and New Spectrum

In this chapter, you will learn about the latest developments possible through the deployment of 5G, the next generation of wireless. You will learn the immediate benefit of 5G which is a 40% increase of bits per second per Hz, then support for massive MIMO, and longer term ultra-broadband millimeter wave applications. We will understand the 5G design goals, review the spectrum allocations for New Radio, and finish with reviewing the chip which enables the initial wave of 5G smartphones.

  1. 5G's Immediate Impact: More Bits Per Second
  2. 5G Design Goals and Use Cases
  3. New Radio: New Spectrum Allocations
  4. Millimeter-Wave Bands
  5. Massive MIMO
  6. 5G Consumer Device Enabler: Qualcomm Snapdragon X55 Chip

9. The Internet of Things

We will start by understanding exactly what IoT means, the Things and what they could be and how they would communicate. We finish Course 130 and BOOT CAMP by providing examples of IoT, LPWA (Low Power Wide Area) and 5G applications like optimizing traffic flow, ultra-low-power tracking, metering and monitoring parking in Smart Cities, and platooning cars into road trains on highways.

Additional VoIP training resources

Please visit the Telecommunications Certification Organization
for telecommunications certification and telecom certification for cpe credits

 •  Certified Telecommunications Network Specialist (CTNS)

 •  Certified Telecommunications Subject Matter Expert (CTSME)

 •  Certified Telecommunications Analyst (CTA)

 •  Certified Wireless Analyst (CWA)

 •  Certified VoIP Analyst (CVA)

 •  Certified IP Telecom Network Specialist (CIPTS)

 •  Instructor-Led Course 111 Boot Camp - Course 101 + Course 130
 •  Instructor-Led Course 101 Broadband, Telecom, Datacom and Networking for Non-Engineering Professionals
 •  Instructor-Led Course 130 Voice over IP, SIP, Security, 5G and IoT

 •  Self-Study Telecom 101 / CTA Study Guide Textbook
 •  Self-Study CTNS Certification Study Guide / CTNS Certified Telecommunications Network Specialist Study Guide Textbook

Please visit Teracom Training Institute for:

 •  Instructor-Led Training Courses
 •  Online Interactive Courses
 •  Quizzes and Exams
 •  Group Training Online
 •  Textbooks
 •  CTA Study Guide
 •  eBooks
 •  Free Tutorials
 •  Free Training
 •  Free Course Lessons
 •  Reference Book
 •  Telecommunications training
 •  MPLS training course
 •  Broadband, telecom, datacom, networking course
 •  VoIP, SIP, Security, 5G IoT course
 •  Broadband, telecom, datacom, 5G, networking, VoIP, security, IoT course
 •  Private Onsite Training
 •  Wireless training course
 •  VoIP training course
 •  IP Call Center contact center course
 •  IPv6 training course
 •  Telecom course online

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