Online Telecommunications Courses and
TCO Certifications Catalog

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CTNS Certification Package

The #1-ranked telecommunications certification worldwide, fully updated for 2021, Certified Telecommunications Network Specialist includes eight online courses delivering a solid foundation in telecom, datacom and networking: understanding the fundamentals, technologies, jargon and buzzwords, and most importantly, the underlying ideas and how it all fits together... plus TCO Certification to prove it!

 • 2241 Introduction to Broadband Converged IP Telecom
 • 2206 Wireless Telecommunications
 • 2221 Fundamentals of Voice over IP
 • 2201 The PSTN
 • 2212 The OSI Layers and Protocol Stacks
 • 2211 LANs, VLANs, Wireless and Optical Ethernet
 • 2213 IP Networks, Routers and Addresses
 • 2214 MPLS and Carrier Networks

CTNS starts with four courses on telecommunications: first, Introduction to Broadband Converged IP Telecom, a comprehensive introduction and first pass through all of the topics, then Wireless Telecommunications, covering radio and cellular principles to 5G and Wi-Fi 6, then the comprehensive Introduction to Voice over IP, and completed with The PSTN, the previous generation of telecom we'll be dealing with for years to come.

The second half of CTNS is four courses on networking, delivering a practical understanding of Ethernet and its MAC frames, IP packets with IP addresses and routers, and the traffic management system MPLS. We begin with the OSI Reference Model and its Layers as a framework to organize the discussions.

CTNS certification and its courses provide the core knowledge needed in telecom today, covering all major topics beginning with a complete overview of modern broadband converged IP telecommunications, then wireless, Voice over IP and the PSTN; and the OSI Layers, Ethernet, IP and MPLS.

30-day, no-questions-asked, 100% money-back guarantee. You have nothing to lose - and a valuable certification to gain!