Free Online Broadband Telecom, Datacom, IP, Networking, Wireless, VoIP and SIP Certification Course Lessons

Following are free certification course lessons from

followed by more free certification course lessons from

These are full-length lessons from Teracom Training Institute. Enjoy!

Free Telecommunications Certification Course Lessons - CTNS/CTA

Course 2241 Introduction to Broadband Converged IP Telecom
1. Course Introduction watch now (free)
2. Convergence
3. Broadband
4. Model of Today's Converged Telecom Network
5. The Network Core
6. Network Protocols: Ethernet, IP and MPLS
7. Network Access: Last Mile Copper, Fiber and Wireless watch now (free)
8. Anatomy of a Service
9. Services: Residential, Business and Wholesale
10. Network Equipment
11. Carrier Network Interconnect

Course 2206 Wireless Telecommunications
1. Course Introduction watch now (free)
2. Mobile Network Components, Jargon and Basic Operation
3. Cellular Principles
4. PSTN Phone Calls using the Phone App: Voice Minutes
5. Mobile Internet: Data Plan
6. Spectrum-Sharing: FDMA, TDMA, CDMA, OFDM
7. 4G LTE: Mobile Broadband
8. 5G New Radio: Enhanced Mobile Broadband, IoT Communications
9. Wi-Fi: 802.11 Wireless LANs watch now (free)
10. Communication Satellites

Course 2221 Fundamentals of Voice Over IP
1. Course Introduction watch now (free)
2. Terminals
3. Voice in Packets watch now (free)
4. SIP and Soft Switches / SIP Servers / Call Managers
5. Media Servers: Video Servers
6. Gateways
7. LANs and WANs
8. Key VoIP Standards
9. Where All of This is Headed: IP Dial Tone

Course 2201 The PSTN
1. Course Introduction watch now (free)
2. History of Telecommunications (USA and Canada)
3. The Public Switched Telephone Network (PSTN)
4. Analog Circuits and Sound
5. The Voiceband watch now (free)
6. Plain Ordinary Telephone Service (POTS)
7. Signaling: Pulse Dialing and Dual Tone Multiple Frequency (DTMF)
8. Signaling System 7 (SS7)

Course 2212: The OSI Layers and Protocol Stacks
1. Course Introduction watch now (free)
2. Open Systems
3. Protocols and Standards watch now (free)
4. ISO OSI 7-Layer Reference Model
5. The Physical Layer: Fiber, Twisted Pair, Cable and Wireless
6. Data Link Layer: LANs and MAC Addresses
7. Network Layer: IP, MPLS, Packets and Routers
8. Transport Layer: Reliability, Ports and Sockets
9. Session Layer: SIP, POP and HTTP
10. Presentation Layer: ASCII, MIME, Compression, Encryption, Codecs
11. Application Layer: SMTP, HTML and English
12. Protocol Stacks: The FedEx Analogy
13. Protocol Headers: Babushka Dolls
14. Standards Organizations

Course 2211 LANs, VLANs, Wireless and Optical Ethernet
1. Course Introduction watch now (free)
2. Broadcast Domains, MAC Addresses and MAC Frames
3. LAN Switches a.k.a. Layer 2 Switches
4. VLANs
5. 802 Physical Standards: 802.3 Twisted Pair and 802.11 Wi-Fi
6. Twisted-Pair LAN Cables, Categories, Wiring Plan and Switch Hierarchy watch now (free)
7. Optical Ethernet and Fiber Links

Course 2213: IP Networks, Addresses and Routers
1. Course Introduction watch now (free)
2. Review: Channelized Time-Division Multiplexing (TDM)
3. Statistical Time-Division Multiplexing: Bandwidth-on-Demand
4. Private Network: Bandwidth on Demand + Routing
5. Routers
6. IPv4 Addresses
7. DHCP
8. Public and Private IPv4 Addresses
9. Network Address Translation watch now (free)
10. IPv6 Overview
11. IPv6 Address Allocations and Assignment

Course 2214: MPLS and Carrier Networks
1. Course Introduction watch now (free)
2. Carrier Packet Network Basics
3. Service Level Agreements
4. Virtual Circuits
5. QoS Requirement for Voice over IP
6. MPLS
7. TCP/IP over MPLS watch now (free)
8. Differentiated Classes of Service using MPLS
9. Integration and Convergence using MPLS
10. Managing Aggregates of Traffic with MPLS Label Stacking
11. MPLS Services vs. Internet Service

CVA Certified VoIP Analyst Certification Course Free Lessons

Course 2221 Fundamentals of Voice over IP
1. The Big Picture (free - watch now)
2. Terminals
3. Voice in Packets (free - watch now)
4. SIP and Soft Switches / SIP Servers / Call Managers
5. Media Servers: Video Servers
6. Gateways
7. LANs and WANs
8. Key VoIP Standards
9. Where All of This is Headed: IP Dial Tone

Course 2222 VoIP Architectures and Implementations
1. Intro + Internet Telephony: Computer-Computer VoIP over the Internet
2. Internet Telephony Example: Skype
3. Internet VoIP to POTS Landline e.g. Google Hangouts (free - watch now)
4. VSP Phone to Phone over Internet e.g. Vonage
5. VoIP Becomes The New POTS
6. VoIP at Carriers
7. VoIP-Enabled PBX and Migration Options
8. Premise Softswitch: PBX Replacement
9. Cloud Services and Hosted PBX: Softswitch as a Service (SaaS)
10. IP Centrex
11. Asterisk and Open-Source Softswitch Software
12. IP Phone Features and Uses

Course 2223 Softswitches, SIP, and VoIP Call Setup
1 Intro + What SIP Is and What It Can Do (free - watch now)
2 SIP's Relationship to Other Protocols
3 SIP URIs: Telephone Numbers
4 Register: Update Your Location
5 INVITE: Dialing
6 Location Service: Finding the Far End
7 The SIP Trapezoid
8 SIP Messages and the Session Description Protocol
9 How SIP Relates to Softswitches and Call Managers

Course 2224 Voice Packetization, Codecs and Voice Quality
1 Voice Packetization
2 Measuring Voice Quality
3 Factors Affecting Voice Quality
4 Codecs: Voice Coding and Compression
5 Delay
6 Jitter
7 RTP
8 Protocol Stack: RTP, UDP, IP, MAC
9 Packet Loss and Sound Samples (free - watch now)
10 Tips for Maximizing Voice Quality

Course 2225 SIP Trunking & Carrier Connections
1 Introduction + Carrier-LEC Connection via DS0
2 Carrier-LEC VoIP Interconnection (free - watch now)
3 Session Border Controllers
4 Business -LEC PBX Trunks and Gateway
5 Softswitch Controlling the Gateway
6 SIP Trunking: Native VoIP Connections

Course 2226 IP Network Quality: CoS, QoS, MPLS and SLAs
1 Course Introduction + Virtual Circuit Technologies (free - watch now)
2 MPLS
3 Differentiated Services (Diff-Serv)
4 Service Level Agreements, Meters, Markers, Shapers and Droppers
5 Interworking Diff-Serv and MPLS
6 Using 802.1P for QoS
7 Implementing CoS: Queuing Techniques

CWA Certified Wireless Analyst Certification Course Free Lessons

Course 2231 Wireless Fundamentals
1. Radio Fundamentals (free - watch now)
2. Wireless Spectrum and Radio Bands
3. Analog Radio
4. Digital Radio: How Modems Work
5. Propagation, Penetration and Fading

Course 2232 Mobile Communications
1. Mobile Network Components and Operation (free - watch now)
2. Cellular Principles
3. 1G: Analog Frequency-Division Multiple Access
4. Second Generation: Digital
5. PSTN Calls Using the Native Phone App: Voice Minutes
6. Mobile Internet: Data Plan
7. Mobile Network Operators, MVNOs & Roaming (watch free)
8. TDMA (IS-136): Time-Division Multiple Access
9. TDMA (GSM): Time-Division Multiple Access
10. CDMA: Code-Division Multiple Access
11. Spread Spectrum
12. CDMA Operation and Patents
13. 3G: CDMA 1X, UMTS and HSPA
14. 4G: LTE Mobile Broadband
15. Dynamic Assignment of Subcarriers
16. 5G NR: Enhanced Mobile Broadband, IoT Communications
17. Spectrum-Sharing Roundup: FDMA, TDMA, CDMA, OFDM

Course 2233 Fixed Wireless
1. Infrared
2. Bluetooth (free - watch now)
3. WiFi: Wireless LANs
4. WiFi Security and WPA2
5. Point-to-Point Microwave
6. 3.5 GHz Broadband Wireless Home Internet (watch free)
7. Low-Power Wide Area Radio Networks for IoT
8. Satellite Communications