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. 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)
3. 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)
4. 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)
5. 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
6. 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
7. 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
8. 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
9. 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)
10. 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
11. 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)
12. 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
13. 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
14. 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)
15. 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
16. 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
17. 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