Perfect VoIP: Sell, Install, and Maintain with Confidence!
4.3 (27 ratings)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
332 students enrolled
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Perfect VoIP: Sell, Install, and Maintain with Confidence!

Learn exactly how to make VoIP installs work perfectly, from Hosted PBX to Remote Phones connected to a central PBX.
4.3 (27 ratings)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
332 students enrolled
Created by Nick Cosimano
Last updated 5/2015
Price: $20
30-Day Money-Back Guarantee
  • 2.5 hours on-demand video
  • 2 Articles
  • 4 Supplemental Resources
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • See Exactly How My Company Installs VoIP Perfectly EACH TIME And Keeps Our Customers LOVING US
  • Install VoIP Systems with CONFIDENCE
  • Find Out All The Hidden Secrets to Successfully Installing and Maintaining VoIP Systems
  • Do Not Plug and Pray!!
  • Discover EXACTLY What Makes VoIP Work, Most Importantly What Makes It Not Work
  • How to Test and Fix Potential Problems Before Installing
  • Remotely Monitor Call Quality
  • Automate Alerts to You When Trouble Arises - All The Tools Exist Now And They Are Cheap! Just Tie Them Together.
  • Know About Problems BEFORE Your Customers!
  • Pinpoint Exact Problems And Fix Them If Trouble Happens In Production
  • How To Hang Remote Phones To a Central PBX Properly
  • Make Hosted PBX and SIP Trunking WORK Long Term
  • Lock Down your Security
  • Hardware Tips and Tricks (Don't Do It The Hard Way!)
  • If You Are In Any Way Working With Or Wish To Work With VoIP This Course Will QUICKLY Teach You All The Important Things And Secrets You Need To Know To Become Successfull
View Curriculum
  • Baseline I.T. Knowledge

Come with me on a journey to VoIP fast-track success!

Do you want to become invaluable when it comes to installing and maintaining VoIP systems?

If your answer is yes, this course is for you!

VoIP is taking the world by storm, and if you are in the tech field you need to know what makes it tick. It's definitely not a "black box" - even if you're an experienced and seasoned tech this course will hold some extremely awesome tips and tricks you can use when installing and maintaining VoIP.

If your company is an MSP or Interconnect this invaluable information could lead to a big increase in your bottom line as you will be able to sell and install VoIP CONFIDENTLY!

You'll learn what makes VoIP work and what makes it NOT work, how to test specifically to make sure when you do install that your VoIP service works as your customers expect it to, and how to view call and network quality information in process remotely (even alerting you by phone or email if there's some trouble automatically) using tools that already exist and do not cost much.

You'll also learn a ton of tips and tricks when it comes to setting up certain systems.

This course is BRAND NEW, and I decided to release it early and continue to add on to it. Because of that, the price is drastically reduced right now.

Here's what will be added:

Building a Customer Profile

  • Completely Understanding your Customer's Telephony Needs When It Comes to VoIP Service
  • Examining Current Network Setup
  • Building a Network Profile
  • Analysis of Collected Information
  • Your Relationship with Network Admins
  • The Customer's ISP


  • Guides for Testing with MacOS
  • Guide for Getting IP's to Test
  • How Does ICMP Ping Work


  • Complete Setup Guide: Setting up Filters and Alerts

What Can Go Wrong After Setup

  • Bad Hardware / How to Tell What's Gone Wrong Quickly
    • Bad Phones
    • Bad ATA / IAD
    • Bad Switches
  • Bad ISP Premise Hardware
    • Typical Situations
    • How to Asses
  • Sudden WAN Problems
    • Transport Issues


  • Introduction to Networking
  • Controlling the Network Border
    • What Is The Network Border?
    • How Can We Control It?
    • Talking to I.T.
    • Border Controller Introduction
    • Border Controller Setup
    • Border Controller Security
    • Border Controller Packet Capture
  • SIP Trunking Best Practices
    • Direct to PBX
    • Using an ATA or IAD
    • Hardware Tips and Tricks
  • Hosted PBX and IP Phones
    • Phone Types
    • Shared Line Appearance
  • Setting up ATA's
    • Guide to Cisco ATA's
    • Guide to Mediatrix ATA's
  • Misc.
    • What is SIP Viscous?
    • Finding a Good VoIP Carrier to Partner With

So, you've read this far! Thank you.

I have this course up for sale now at a steep discount because it contains the basics. I will be constantly adding new and extremely important material, and as I do the price of this course will go up. Don't wait until it does, if you click the "take this course now" button you will have all of the upcoming content for the lower price. You're not just buying what's here now, which is already extremely important information, you're buying what I'l be adding continuously!

Click the "take this course" button, top right, now - don't wait until the course goes up dramatically in price. Believe me it's WORTH IT for what you'll learn already, and what I'll be adding.

You'll be far more knowledgeable even after only watching the first few videos, and it gets better from there.

Companies are moving to VoIP, so you better understand what makes it work correctly before you get left in the dust!


Who is the target audience?
  • Phone System Integrators
  • Interconnects
  • MSP's
  • Sys Admins
  • Anyone Who Wants To Know Everything About Installing and Running VoIP Perfectly
Compare to Other Network & Security Courses
Curriculum For This Course
26 Lectures
4 Lectures 08:32

Who is Your Instructor?

Glossary of Terms
3 pages

The 4 Critical Metrics for VoIP to Work Properly
7 Lectures 31:38
Critial Metric: Bandwidth

Overview of VoIP Codecs
2 pages

Critial Metric: Latency

Critial Metric: Jitter

Critial Metric: Packet Loss

Metrics Review

What is a MOS Score?
8 Lectures 01:04:43
General Testing of the 4 Critical Metrics: Part I

General Testing of the 4 Critical Metrics: Part II

General Testing of the 4 Critical Metrics: Part III

Testing Transport Directly

Pre-requisites For Testing Transport over a Period of Time
1 page

Testing Transport over a Period of Time

How To Interpret MTR Tests

What To Do With Bad Results
5 Lectures 35:02

Keeping an Eye On Call Quality

Premise Network Uptime & WAN Health

Setting Up and Using WAN Uptime and Health Tools

Automation Introduction: Get Alerts When Something is Wrong
Tips and Tricks
2 Lectures 00:48
About This Section

Cable/DSL Modems and SIP ALG
About the Instructor
Nick Cosimano
4.3 Average rating
27 Reviews
332 Students
1 Course
VoIP Network Engineer and Tech Nerd

Serial Tech Entrepreneur, my main focus at this time is my company Fluent Voice Networks where we co-brand VoIP services with our partner MSP's and Interconnects. Previously I have started and run my own MSP, and a fully funded telematics startup that went to sell and track company vehicles all around the world, partnering with some of the largest IT companies. I have a passion for sharing the tips and tricks I've learned, and love to see people succeed.