What You'll Learn

• Enterprise connections (VoIP Islands) to the PSTN
• Routing calls with ENUM
• Wireline and wireless providers
• Codecs and voice compression
• Wireless mediums such as FSO, mobile cellular, and satellite systems
• Using fiber for local loop connections
• Broadband services: DSL, FTTP, PONs, and FSANs
• 911 and E911 service comparison
• Wave Division Multiplexing (WDM)
• Different types of NATs
• VoIP defined including SIP, H.323, QoS, RTP, and NAT
• Carrier Data Services: Frame Relay, ATM, and MPLS
• Compare Ethernet services (E-Line vs. E-LAN)
• IPTV video technology
• 3G mobile wireless services (HSDPA, EV-DO, PoC)
• Fixed Mobile Convergence (FMC) service offerings
• WiMAX services and technology
• Functions and architecture of the IP Multimedia Subsystem (IMS)

Course Outline

1. The Current State of the Telecom Industry

• Evolution of Analog Phone Service
• Circuit Switching
  • The Public Switched Telephone Network (PSTN)
  • Analog Telephone In-Band Signaling
  • End-to-End Local Connections
• Signaling System 7 (SS7)
  • Call Routing over a Long Distance Network Using SS7
  • SS7 Architecture
• Enterprise Voice Connections
  • Enterprise Connections to the PSTN
  • Connecting VoIP Islands
• VoIP Networks
  • Packet Network Signaling Protocols
  • VoIP Trunking Services
  • IP Telephony Service Providers (ITSPs)
  • Routing Calls with Electronic Numbering (ENUM)

2. Telecom Service Providers

• Market Phases of AT&T
• The U.S. Telecom Market: 1984 to 1996
• The U.S. Telecom Market: 1996 to Present
  • The Telecom Act
  • AT&T's Bid to Re-enter Local Service
  • Local and Long Distance Carrier Acquisitions & Mergers
  • Independent Carriers in the U.S.
  • Internet Telephony Service Providers (ITSPs): U.S. VoIP Market Share
  • Multiple System Operators (MSOs)
• Mobile Wireless Operators
  • GSM Mobile Wireless
    • AT&T
    • T-Mobile
  • CDMA Mobile Wireless
    • Sprint Nextel
    • Verizon
    • Other CDMA Mobile Wireless Operators

3. Digitizing Voice

• Frequency Ranges Related to Human Communication
  • Human Speech Explained
• Digitizing Voice Signals Using Codecs
  • Sample Rates for Digitizing Waveforms
  • Coding the Signal
  • Transmitting the Signal
  • Decoding the Signal
• Voice Compression
  • Synthesizing Speech
  • Silence Compression (SC)

4. Communication Mediums and Multiplexing

• Communication Mediums
  • Copper Mediums
  • Fiber Mediums
    • Multi-Mode Fiber Coupled with LEDs
    • Single-Mode Fiber Coupled with Lasers
    • Photo detectors
  • Wireless Mediums
    • Free Space Optics (FSO)
    • Cellular Networks
    • Microwave Communications
      • Parabolic Antennas
    • Satellite Communications
      • Geosynchronous Earth Orbit (GEO)
      • Low Earth Orbit (LEO)
      • Highly Elliptical Orbit (HEO)
    • Satellite Communication Services
      • Satellite Phone Service
      • Satellite Radio Services
  • Multiplexing
    • Frequency Division Multiplexing (FDM)
    • Time Division Multiplexing (TDM)
    • Wave Division Multiplexing (WDM)
  • Air Interfaces
    • Frequency Division Multiple Access (FDMA)
    • Time Division Multiple Access (TDMA)
    • Code Division Multiple Access (CDMA)

5. Carrier Access: Customer-to-Carrier Connections

• ISDN Basic Rate Interface (BRI)
• T1 (DS1)/E1 used for Digital Trunking
  • T1 Digital Access for Enterprise Networks
  • T1 (DS1) Frame Format (North American Standard)
  • E1 Frame Format (Global Standard)
• Distance Limitations for Digital Signals
• T3 (DS3)/E3 used for High-speed Connections
• SONET/SDH Optical Network Connections
• Using Fiber connections for the Local Loop
  • Fiber-in-the-Loop (FITL)
  • Fiber-to-the-Curb (FTTC)
  • Fiber-to-the-Premise (FTTP)

6. Broadband Access

• Broadband Applications
• Digital Subscriber Line (DSL) Service
  • "User-Installed" ADSL Service
  • ADSL2 and ADSL2+
  • Very-high-speed DSL (VDSL) and VDSL2
• FTTP
  • Broadband Passive Optical Network (BPON)
  • Gigabit Passive Optical Network (GPON)
  • Ethernet Passive Optical Network (EPON)
• Passive Optical Networks (PONs)
  • Fiber Topologies for PONs\
  • PON Example: Verizon's FiOS (Fiber Optic System)
  • PON Architecture with RF Video Overlay
  • PON Downstream
  • PON Upstream
  • TDM Business Services over GPON
• Full Service Access Networks (FSANs)
• Cable Modem Service
  • Broadband Cable Standards
  • Cable Modem Service
  • Current Cable Network Architecture
  • New Cable Network Architecture

7. Enterprise Networks

• Corporate Phone Systems
  • Electronic Key Systems
  • Private Branch Exchange (PBX) Ports and Connections
• PBX Trunking
  • Identifying callers from outside the organization
  • ISDN Primary Rate Interface (PRI)
  • Comparing ISDN PRI with QSIG
• Enterprise VoIP
  • Circuit-Switched PBX with VoIP Trunking
  • Integrated IP-PBX
  • IP-PBX Environment
• 911 and E911 Service Comparison
  • Standard 911 Service Deficienc
  • Enhanced 911 (E911) Highlights
  • E911 in a Day-to-Day Environment
• Converged Hosted Services
• Remote Access Services for Enterprise Networks

8. Carrier Transport Services

• How Synchronous Optical Network (SONET) Works
  • Introduction to SONET
  • SONET/Synchronous Digital Hierarchy (SDH) Multiplexing Rates
  • SONET Frame Structure
• Using SONET for Carrier Backbones
  • Interconnecting SONET Networks
  • Using Virtual Tributaries for T1 Provisioning
• Solving the Back-to-Back Multiplexer Problem
  • Legacy DS3 Multiplexers and Trunking Systems
  • Add/Drop Multiplexers (ADM)
• Wave Division Multiplexing (WDM) Systems Defined
  • Using WDM
  • Optical Spectrum and Fiber Characteristics
  • Coarse WDM (CWDM) Channels
  • Dense WDM (DWDM) Channels
  • Using DWDM for Regional Backbone Networks
  • Optical Protection for WDM

9. Data Communications and Packet-Switched Networks

• Network Protocols Compared
  • The Original Network Protocol for Data Transmission
  • Transmission Control Protocol/Internet Protocol (TCP/IP) Networks
• Relationship Between Protocols for TCP/IP
• Data Link Layer Protocols
  • Packaging a Message with TCP/IP using Ethernet at the Data Link Layer
  • Data Link Layer Addressing for LAN Interfaces
  • Comparison of Ethernet Hubs and Switches
  • Ethernet Switching Explained
• Transporting Data Between Networks
• Types of Interconnected Networks
• Public and Private IP Addressing
  • Connecting Enterprise Networks to the InternetIP
  • Addressing: Public and Private
• Network Address and Port Translation
  • Network Address Translation (NAT)
  • Network Address & Port Translation (NAPT)
  • Interconnecting Networks Using NAT
  • Different Types of NATs
    • Full Cone
    • Restricted-Cone
    • Port Restricted-Cone
    • Symmetric

10. Migrating Voice from Circuit- to Packet-Switched Networks

• IP-PBXs in VoIP Networks
  • IP-PBXs for Enterprise Networks
  • IP-PBX Systems
• Unified Communications
  • Device Independent Applications
  • Presence Information for SIP Networks
• Signaling Protocols Used for VoIP
  • H.323
    • H.225
    • H.245
  • Session Initiation Protocol (SIP)
    • Session Description Protocol (SDP)
  • H.248/MEGACO
• Media Transport & QoS Measurements
  • Media Transport: Real-time Transport Protocol (RTP)
  • Quality-of-Service (QoS) Measurements: Real-Time Control Protocol (RTCP)
  • Payload Types for RTP Media Sessions
• Session Initiation Protocol (SIP)
  • SIP Overview
  • SIP Clients and Servers Defined
  • SIP Registration
  • Using a SIP Proxy/Registrar (Location Server)
• QoS
• Security with SIP and RTP
  • SIP Security
  • Secure RTP (SRTP)
• VoIP & NAT Traversal
  • The Problem with VoIP and NAT Traversal
  • Simple Traversal of UDP Through NAT (STUN)
  • Traversal Using Relay NAT (TURN)
  • Interactive Connectivity Establishment (ICE)

11. Carrier Data Services

• IP-Based Routing
  • How Routers Route IP Packets
  • Routing IP Packets Between Networks
  • Customer Routing Table Examples for IP Routed Networks
  • Customer Routing Table Examples for Connecting to Frame Relay Networks
• Frame Relay
  • Switching Frames Through the Network
  • Connecting to a Frame Relay Network
  • Data Link Connection Identifiers (DLCIs)
  • Using ATM as a Backbone for Frame Relay
• Asynchronous Transfer Mode (ATM)
  • Defining ATM
  • ATM Cells
  • Virtual Path and Channel Identifiers
  • ATM QoS Parameters
  • Summary of ATM Service Categories
• Multiprotocol Label Switching (MPLS)
  • Introduction to Label Switching
  • MPLS Terminology and Components
  • Establishing an MPLS Tunnel
  • Using the MPLS Tunnel

12. Ethernet Services

• Carrier-Grade Ethernet Speeds
• Key Attributes to a Carrier-Grade Ethernet Service
• Comparison of Ethernet Services
  • E-Line: Point-to-Network
  • E-Line: Point-to-Point
  • E-LAN: Multipoint-to-Multipoint
• Network Topologies used for Ethernet Services
• Scaling Ethernet for Carrier Networks
  • Q-in-Q
  • Virtual LAN (VLAN) Tags
  • MAC-in-MAC
• Ethernet over MPLS
• Provider Backbone Transport (PBT)

13. Remote Access Virtual Private Networks (VPNs)

• Types of VPNs
• Internet-Based Remote VPNs
• Internet Protocol Security (IPSec)
  • Encryption Modes for IPSec: Transport and Tunneling
• Secure Sockets Layer (SSL)
  • How SSL Works
• Wireless Remote Access VPNs
• Mobile VPNs

14. Video Technology and Services

• Video Services and Equipment
• Analog & Digital Television Standards
• Video Codecs
• Video Conferencing Solutions
  • Integrated Services Digital Network (ISDN) Video Applications
  • Web-Based Video Conferencing
• Internet Protocol Television (IPTV)
• Mobile Video Services

15. Current Mobile Wireless Services

• Cellular Networks
  • The Concept of Cellular Networks
  • Call Initiation and Handoff (Handover) Between Adjacent Cells
  • Growth of Cellular Services: 1985 - 2005
• Global Frequency Spectrum Allocations
• The Evolution of Cellular Standards and Technology
• GSM/GPRS/EDGE Networks
• International Mobile Telecommunications-2000 (IMT-2000)
• Universal Mobile Telecommunications System (UMTS) Standards
• CDMA2000 Standards
• Mobile Radio Technologies
  • High-Speed Overlays: HSDPA & EV-DO
  • Push-to-Talk over Cellular (PoC)
• Subscriber Identity for Mobile Networks
  • Universal Integrated Circuit Card (UICC)
    • Subscriber Identity Module (SIM)
    • Universal SIM (USIM)
  • Removable User Identity Module (R-UIM)
  • International Mobile Subscriber Identity (IMSI)

16. Fixed Mobile Convergence (FMC)

• FMC Defined
• Seamless Roaming & Handover
• Unlicensed Mobile Access (UMA)
• Generic Access Network (GAN) Modes of Operation
  • GERAN-Only
  • GERAN-Preferred
  • GAN-Only
  • GAN-Preferred
• Wireless Operator's Strategy for FMC
• Securing FMC
• Multi-Play Service Offerings
• Service Rollout for FMC
  • FMC Implementation - Home Zone Operation
  • Application Benefits of FMC
  • Possibilities for Future Modes of Operation Incorporated in FMC

17. Worldwide Interoperability for Microwave Access (WiMAX)

• WiMAX Services & Technology Defined\
• Broadband Options and Service Consolidation
• Network Topology and Spectrum Used
• 802.16 Broadband Wireless Access (BWA) Standardization
• Mesh Networks
• Markets for WiMAX
• WiMAX and QoS

18. IP Multimedia Subsystem (IMS)

• Reasons, Functions, and Architecture of IMS
  • Carrier Adoption of IMS
  • Initial Development of IMS GSM/UMTS Standards
  • Connecting Users with Applications and Services
  • The IMS Architecture Defined
• Applications and Services Supported
  • PoC
  • Unified Messaging
  • Instant Messaging (IM)
  • Web-Based Audio/Video Conferencing
• Reusable Framework
  • Application Requirements
  • Simplified Access to Services
• Broadband Access Services and IMS

Appendix A: The World of Global Communications

• How the Growth of Fiber Installations has Changed the Telecom Industry
  • Cabling the Planet
  • How the Dot-Com Bust Affected the Industry
  • Why Internet Bandwidth is Cheap Compared to Traditional Networks
• How Economic Growth of India and China Impacts the Telecom Industry
• Growth in e-Commerce to Broadband Subscribers Compared
• Global Statistics of Mobile Subscriber Saturation Rates
• The Fast-Growing VoIP Market

Demonstrations:

Demo 1: Listen to different audio codecs used on the Linksys VoIP phone.

Demo 2: Using a protocol analyzer (Wireshark), examine the protocols for different data applications:

• HTTP and HTTPS
• Telnet and Secure Shell 2 (SSH2)
• Session Initial Protocol (SIP)
• Real-Time Transport Protocol (RTP)

Demo 3: Learn the basics of how address resolution works with a DNS server with the "Simple DNS Plus" software application.

Demo 4: Learn how Ethernet switch port mirroring is set up in a managed switch and why the function is useful.

Demo 5: Learn how an Analog Telephone Adapter (ATA) is used for connecting analog phones and fax machines to a VoIP network.

Demo 6: See a call setup between two VoIP phones on the network.

Demo 7: See a packet capture of the VoIP call setup using SIP and the various steps involved.

Demo 8: See how a VoIP device registers with the SIP server over the network.

Demo 9: Examine differences and features of a SIP proxy server and an IP-PX using two software servers: Brekeke and trixbox.

Demo 10: Learn how a Wi-Fi phone is configured and how calls are placed between wireless and wired devices.

Demo 11: Examine a dual-mode Fixed Mobile Convergence (FMC) phone and learn how calls can route to it from a VoIP network using SIP.

Demo 12: See how Instant Messaging (IM) works using the open-source client Spark and the open-source server Openfire.

Demo 13: Examine a packet capture of the "Jabber" traffic and learn how messages are passed between software clients.

Demo 14: Learn how VLANs work to separate different devices connected to an Ethernet network.

Demo 15: Learn how Layer 3 switches can route traffic between VLANs.

Demo 16: Examine the different type of video codecs that can be used on a desktop video softphone.

Demo 17: See how desktop video conferencing works by placing a call between multiple video softphones.

Classroom Dates and Locations

Date	Location
Mar 8 - 12, 2010	Toronto, ON	Register
Apr 26 - 30, 2010	Ottawa, ON	Register
Jul 5 - 9, 2010	Toronto, ON	Register

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