Telecommunications Tutorials

 
"telecommunications": from the Greek, meaning "communications at a distance".
We use this term to mean communications of information represented in many ways: voice, data, graphics, images, video; in various formats: bytes, frames, packets;
and communicated over various media: copper wires, fiber optics, the air, space.
We are pleased to provide these free online telecommunications tutorials, based on our acclaimed telecommunications training seminars and courses.
Click the links below to see available tutorials in each category.
 
Telecommunications Fundamentals Tutorials
Data Communications Tutorials
IP, TCP/IP and Networking Tutorials
Wireless Tutorials
Voice over IP - VoIP Tutorials
More Tutorials
   
How to Use Cellular Wireless as Backup for DSL, Cable or Fiber Internet Connection
- also a tutorial on DHCP, private addresses, public addresses, NAT, customer edge (CE)
Tutorial: Radio Bands and Radio Spectrum
- including a comment on Google's involvement in the 700-MHz auctions and open network requirement

Interactive Telecommunications Tutorials and Network Tutorials

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The Course Introduction is on the Left   A Free Lesson from the Course is on the Right
 

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Course L2101 POTS and The PSTN    
The PSTN • Analog • Voiceband • Loops and Trunks • Remotes • Circuit-Switching • POTS • DTMF • LECs and IXCs • SS7    
8 interactive multipart lessons, multiple-choice exam and certificate. Produced 2012.    
Course Introduction POTS and The PSTN on youtube   Free Sample - Lesson 4: The Voiceband POTS and The PSTN on youtube
Free lesson 1 - Course Introduction - POTS and The PSTN   Free Lesson: The Voiceband
 
 
Certified Telecommunications Network Specialist - telecom certification package
 
 
 
This course is all about Plain Ordinary Telephone Service and the Public Switched Telephone Network. You’ll gain a solid understanding of the fundamentals of the telephone system: customer premise and Central Office, loops, trunks, remotes, circuit switching and how a telephone call is connected end-to-end.  We’ll cover LECs and IXCs, sound, analog and the voiceband, twisted pair, DTMF and SS7. Understanding the fundamentals of this technology and network architecture is a starting point for understanding everything else related to telecommunications.    
Invest in yourself! Invest in your knowledge and skills! register today for a Certification Package
   
 
Course L2106 Wireless Telecommunications    
Mobility • Cellular Networks • GSM and TDMA • UMTS and 1X CDMA • LTE • WiFi • Satellite    
10 interactive multipart lessons, multiple-choice exam and certificate. Produced 2012.    
Course Introduction POTS and The PSTN on youtube   Free Sample - Lesson 7: 3G Cellular: CDMA POTS and The PSTN on youtube
Free lesson 1 - Course Introduction - Wireless Telecommunications   Free Lesson: 3G Cellular - CDMA
 
 
Certified Telecommunications Network Specialist - telecom certification package
 
 
 
Wireless Telecommunications is a comprehensive course on wireless, mobile telecommunications plus wireless LANs
and satellites. You'll gain a solid understanding of the key principles of wireless and mobile networks: coverage, capacity and mobility, why cellular radio systems are used, mobile network components and operation, registration and handoffs, digital radio, "data" over cellular, which is now basically Internet access, cellular technologies and generations: 1G analog FDM, 2G GSM and IS-136 TDMA, 3G UMTS and 1X CDMA, 4G LTE OFDM, plus wireless LANs and satellite communications.
   
Invest in yourself!  Get a certification in telecommunications. register today for a Certification Package
   
 
Course L2112 The OSI Layers and Protocol Stacks    
Protocols & Standards • OSI Model • Layers • Protocol Stacks • FedEx Analogy    
15 interactive multipart lessons, multiple-choice exam and certificate. Produced 2012.    
Course Introduction POTS and The PSTN on youtube   Free Sample - Lesson 3: Protocols and Standards POTS and The PSTN on youtube
Free lesson 1 - Course Introduction - The OSI Layers and Protocol Stacks   Free Lesson: Protocols and Standards
 
 
Certified Telecommunications Network Specialist - telecom certification package
 
Certified IP Telecom Network Specialist - telecom certification package
 
The course begins the "IP courses" in the Certified Telecommunications Network Specialist (CTNS) certification package and is the first course in the Certified IP Telecom Network Specialist (CIPTS) package. It establishes a framework for all of the discussions in subsequent lessons and courses: the OSI 7-Layer Reference Model, which identifies and divides the functions to be performed into groups called layers.    
You'll learn what a layer is, the purpose of each layer, see examples of protocols used to implement each layer, and learn how a protocol stack really works with the famous "FedEx Analogy" presented as an embedded video by our top instructor, Eric Coll.    
Build structured, broad knowledge of networks - understanding that lasts a lifetime. Stand out from the rest! register today for a Certification Package
   
 
Course L2111 Ethernet, LANs and VLANs    
MAC Addresses • 802.3 and Ethernet • Broadcast Domains • LAN Cables • Switches • VLANs    
8 interactive multipart lessons, multiple-choice exam and certificate. Produced 2012.    
Course Introduction POTS and The PSTN on youtube   Free Lesson 5: LAN Cables and TIA-568 Categories POTS and The PSTN on youtube
Free lesson 1 - Course Introduction - POTS and The PSTN   Free Lesson: The Voiceband
 
 
Certified Telecommunications Network Specialist - telecom certification package
 
Certified IP Telecom Network Specialist - telecom certification package
 
On completion of this course, you will be able to explain the original bus design for a LAN, called Ethernet; how the bus created a need for an access control protocol, and the CSMA-CD protocol that was implemented for Ethernet; how the bus implements a broadcast domain, and the MAC addressing scheme that was implemented to identify stations; the standardization of Ethernet with the IEEE 802 series of standards, understanding 802.2 and 802.3; evolution of Ethernet from 10 Mb/s on coaxial cables to Gigabit Ethernet on copper and fiber, and the codes like 10BASE-T used to refer to the various versions; LAN cables and the TIA-568 cable categories; how LANs are connected together: bridges and LAN switches, also called "Layer 2" switches; and how VLAN technology is used to separate devices on LANs into different broadcast domains.    
Master the jargon and buzzwords of LANs and Layer 2 switches. register today for a Certification Package
   
 
Course L2113 IP Networks, Routers and Addresses    
IP Packets • Networks • Routers • Static, Dynamic, Public, Private Addresses • DHCP • NAT • IPv6    
11 interactive multipart lessons, multiple-choice exam and certificate. Produced 2012.    
Course Introduction POTS and The PSTN on youtube   Free Lesson 9: Network Address Translation POTS and The PSTN on youtube
Free lesson 1 - Course Introduction - POTS and The PSTN   Free Lesson: Network Address Translation
 
 
Certified Telecommunications Network Specialist - telecom certification package
 
Certified IP Telecom Network Specialist - telecom certification package
 
On completion of this course, you will be able to explain the concept of statistical multiplexing, also known as oversubscription, overbooking and bandwidth on demand, why and how it can be implemented and its benefits; what a private network is; what a router is and how it implements the network by connecting data links; how routers move packets between broadcast domains, including VLANs; how routers also act as a point of control for traffic, called packet filtering; the basic structure and contents of a routing table; the Customer Edge; IPv4 address blocks: Class A, Class B and Class C, and dotted-decimal notation; static addresses and dynamic addresses, and how and why DHCP is used to assign both; public addresses and private addresses, how, why and where each is used; network Address Translation for interfacing domains where public addresses are used with those where private addresses are used; the improvements and changes between IPv4 and IPv6; and the types of IPv6 addresses, how IPv6 addresses are allocated to ISPs then assigned to users, and how each residence gets 18 billion billion IPv6 addresses.    
Understand the whole IP story, including what routers do and how they do it, DHCP, NAT and IPv6. What's not to like? register today for a Certification Package
   
 
Course L2114 MPLS and Carrier Networks    
Carrier Packet Networks • Technologies • MPLS • SLAs • CoS • Integration & Aggregation    
15 interactive multipart lessons, multiple-choice exam and certificate. Produced 2012.    
Course Introduction POTS and The PSTN on youtube   Free Lesson 11: TCP/IP over MPLS POTS and The PSTN on youtube
Free lesson 1 - Course Introduction - POTS and The PSTN   Free Lesson: TCP/IP over MPLS
 
 
Certified Telecommunications Network Specialist - telecom certification package
 
Certified IP Telecom Network Specialist - telecom certification package
 
If you work for a carrier, or deal with carriers, this course is for you. It is a comprehensive introduction to the current state of telecommunications networks, services and standard practices. With the Unlimited Plan, you can repeat the course as many times as you like, now and in the future. register today for a Certification Package
   

This course can be taken by both those who need an overview and introduction to carrier packet networks and MPLS, and by those who need to build a solid base in the technologies and get up to speed on all of the topics in the course.

   

Learn the fundamentals, jargon, technologies and practices in the telecom business today... and get a certificate to prove it.
These courses are used by many telecom companies for internal training!  Benefit from decades of experience, insight and understanding,
in courses right up to date, distilled into clear lessons, logically organized to deliver structured knowledge that lasts a lifetime.
Interactive lessons rich with photographs and illustrations make this self-paced learning enjoyable.   Get started now!

The Certified Telecommunications Network Specialist certification package - Unlimited Plan gets you all six of these courses, with unlimited repeats of the courses and/or exams, your CTNS Certificate and Certification and all the benefits of TCO Certification including a Letter of Reference.
There is a 30-day, 100% money-back, no-questions-asked guarantee. Get started now!
  Certified Telecommunications Network Specialist - telecom certification package L2101 POTS and The PSTN      
  L2106 Wireless Telecommunications
  L2112 The OSI Layers and Protocol Stacks
  L2111 Ethernet, LANs and VLANs
  L2113 IP Networks, Routers and Addresses
  L2114 MPLS and Carrier Networks
   register today for a Certification Package
 
The Certified IP Telecom Network Specialist certification package - Unlimited Plan gets you the four "IP" courses, with unlimited repeats of the courses and/or exams, your CIPTS Certificate and Certification and all the benefits of TCO Certification including a Letter of Reference.
There is a 30-day, 100% money-back no-questions-asked guarantee. If you're just interested in IP networks, this is the package for you.
Get started now!
  Certified IP Telecom Network Specialist - telecom certification package L2112 The OSI Layers and Protocol Stacks      
  L2111 Ethernet, LANs and VLANs
  L2113 IP Networks, Routers and Addresses
  L2114 MPLS and Carrier Networks
   
   
 
 
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CTNS Unlimited Plan $ 219
Certified Telecommunications Network Specialist
Six courses, unlimited course and exam repeats,
TCO Certification, Certificate, Letter of Reference.
30-day 100% money-back guarantee.
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