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ECVP Course Outline

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ECVP Course Outline

Course Description

VoIP refers to voice calls that are routed over online networks using the Internet Protocol--the IP that serves as the backbone of the Internet and is used to ferry e-mails, instant messages and Web pages to millions of PCs or cell phones. VoIP is unique bundle of technologies that allows internet-ready devices to transmit voice and other multimedia data over the web instead of over the telephone network. ECVP course covers Voice of IP technologies, concepts, threats and security issues.

Who Should Attend

The ECVP certification is intended for IT professionals who are responsible for designing and building Voice of IP networks.

Duration

5 days (9:00 – 5:00)

Certification

The ECVP 312-78 exam will be conducted on the last day of training. Students need to pass the online Prometric exam to receive the ECVP certification.

Course Outline

Module 01: Introduction to VoIP

What is VoIP?
Why use IP for Voice?
VoIP-Convergence of Technologies
Basic VoIP Architecture
Need of a Layered Architecture
VoIP Layers
TCP/IP Overview
Functions of TCP/IP Layers
VoIP Layers Vs. TCP/IP Layers
Public Switched Telephone Networking(PSTN)
Circuit Switching Vs. Packet Switching
Basic VoIP Features
Benefits of VoIP
Building The ROI Model
Disadvantages of VoIP
Future of VoIP
Growth in VoIP Subscribers

Module 02: Analog to Digital Conversions

Source:
A to D Conversion
Types of ADC's
Sigma Delta ADC
Successive Approximation ADC
Pipelined ADC
Flash ADC
Comparison of ADC's
Working of ADC's
Voice Compression
Encryption
Headers
Destination
Sequencing
Decryption
Decompression
Digital to Analog Conversion

Module 03: Traditional Voice Telephony Principles

Analog Signaling
Types of Analog Signaling
Earth & Magnet (E&M) Signaling
Loop-Start
Ground-Start
Dial-Pulse Signaling
Dual Tone Multi-Frequency Signaling
Analog Systems
Analog Network Components
Cabling
Basic Telephone System Operation
Plain Old Telephone Service (POTS)
Direct Inward Dialing (DID)
Digital Subscriber Line (DSL)
Digital Loop Carrier (DLC)
Passive Optical Network (PON)
Dial Plans
Four-Wire Circuit
Time Division Multiplexing (TDM)
Call Control Signaling
Signaling System 7 (SS7)
Signaling Points
Signaling Links
SS7 Protocol Stack

Module 04: VoIP Devices and Cisco Components

Basic VoIP Equipments
VoIP Network Components
Analog Telephone Adaptor (ATA)
Media Gateway
Features of Media Gateway
Media Gateway Controller
Signaling Gateway
Call Manager
VoIP Switches
IP Phones
Private Branch eXchange (PBX)
PSTN Gateway
Session Controller
Modems
VoIP Router
Cisco's VoIP Components
Types of VoIP Ports
Foreign Exchange Station (FXS)
Foreign Exchange Office (FXO)
Earth & Magnet (E&M) Interface
VNM/VIC
VNM Models: NM-1V
VNM Models: NM-2V
VNM Models: NM-HDV High-Density VNM
VIC Models: VIC-2E/M
VIC-2FXS
VIC-2FXO
VWIC-2MFT-T1
Two-Port ISDN BRI Card
Four-Port Analog DID/FXS VICs

Module 05: Configuring VoIP

Prerequisites for VoIP Configuration
Voice Port Cabling and Configuration
Port Numbering: 1700 Series
Port Numbering: Cisco 1760
Port Numbering: 2600 and 3600 Series
Port Numbering: MC3810 Series
Port Numbering: 7200 Series
Port Numbering: AS5300 Series
Port Numbering: AS5x00 Series
Configuring Voice Ports
Configuring FXO or FXS Voice Ports
Configuring E&M Ports
Configuring to adjust Parameters of E&M Ports
Configuring DID Ports
Connection Command
Configuring Delay
Fine-Tuning FXS/FXO Ports
Fine-Tuning E&M Ports
Fine-Tuning DID Ports
Configuring POTS Dial Peers
Configuring Dial-Peer For VoIP
Configuring Dial-Peer For VoFR
Configuring Dial-Peer For VoATM
Configuring Trunking
Supervisory Disconnect
Configuring a Supervisory Disconnect Voice Class
Configuring ISDN BRI Voice Ports
Configuring ISDN PRI Voice Ports
Configuring ISDN PRI Voice Ports with Q.931
Configuring QSIG
Configuring T-CCS
Configuring H.323 Gateways
Configuring H.323 Gatekeepers
H.323 ID Addresses
Zone Prefixes
Gatekeeper Zone Prefix
Technology Prefixes
IP Precedence
RTP Priority
Traffic Shaping
Configuring cRTP
Enable cRTP on a Serial Interface
Enable cRTP with Frame Relay Encapsulation
Change the Number Of Header Compression Connections
Displaying Statistics
Configuring Custom Queuing
Enabling Custom Queuing
Applying Configuration to an Interface
Enabling Priority Queuing: Priority-List Command
Enabling Priority Queuing: Set Up Configuration
Configuring the Queue Limits
Applying Priority List to an Interface
Verifying Priority Queuing: Show Interface Command
Verifying Priority Queuing: Show Queuing Priority Command
Enabling Weighted Fair queuing
Verifying Weighted Fair Queuing: Show Interface Command
Verifying Weighted Fair Queuing: Show Queuing Command
Configuring Class-Based Weighted Fair Queuing (CBWFQ)
Defining Class Maps
Creating Policies
Attaching Policies to Interfaces
Verifying CBWFQ: Show-Policy-Map Command
Verifying CBWFQ: Show-Policy-Map Interface Command
Configuring Packet Classification
IP Precedence
Verifying IP Precedence
Policy Routing
Verifying Policy Routing
Configuring RSVP
Verifying RSVP
Call Admission Control (CAC)
Verifying Call Admission Control
Configuring Priority Queuing with WFQ
Verifying Priority Queuing with WFQ
Configuring Traffic Shaping
Verifying Traffic Shaping
Configuring Congestion Avoidance with WRED
Verifying WRED
Configuring Link fragmentation and Interleaving
Verifying Link fragmentation and Interleaving
Configuring a Single-Router VoIP Network
Reviewing the Design
Configuring the Router: Step by Step
Testing and Verification

Module 06: Implementation and Applications of VoIP

VoIP Implementation Types
Phone to Phone Connection
Analog Telephone Adaptor (ATA) Setup
Phone to Phone Connection Using Gateway
Phone to Phone Connection Using Router
Computer to Computer Connection
Phone to Computer and Vice-Versa
IP-Enabled PBX (Private Branch Exchange) Method
IP Centric LAN Method
Satellite VoIP
Software Support for VoIP
Applications of VoIP
What is Skype?
System Requirements
Getting Started with Skype
Skype is Safe
Features of Skype
Skype for Windows
Skype for Mac OSX
Skype for LINUX
Skype for Business
Skype Web Toolbar
Skype Email Toolbar
Skype Office Toolbar
Skype for Mobile

Module 07: Quality of Service (QoS) of VoIP

Introduction to QoS
Quality of Experience (QoE) Vs. QoS
QoE for VoIP
Why is QoS needed in IP Transmission?
Why is QoS needed for VoIP Networks?
Factors Affecting Quality of Voice in VoIP
QoS Monitoring
Passive Monitoring
Active Monitoring
QoS Protocols
RTP
RTCP
RSVP
Multiprotocol Label Switching (MPLS)
Integrated Services (IntServ)
Differentiated Services (DiffServ)
IntServ Vs. DiffServ

Module 08: H.323 Standards

VoIP Standards
What is the need for VoIP Protocols?
Introduction to H.323
Network Components of H.323
Components of H.323
H.323 Protocols Suite
H.323 Protocol Stack
Control and Signaling in H.323
H.323 Advantages
Network Address Translation (NAT)
H.323 and NAT
H.225
H.225/Q.931 Call Signaling
Q.931 Call Signaling Messages
H.225/Q.931 Signaling
H.225 Registration, Admission, Status (RAS)
H.225/Q.931 RAS
Key RAS Messages
H.225 Protocol Structure
H.225 Security Considerations
H.235: Security and Encryption for H.323
H.245 Call Control Messages
H.245 Call Control
H.245 Security Mechanism
H.261 (Video Stream for Transport Using the Real-Time Transport)
H.263 (Bitstream in the Real-Time Transport Protocol)
DVB (Digital Video Broadcasting)
H.450.1
H.450.2
H.450.3
H.450.4
H.450.5
H.450.6
H.450.7
H.450.8
T.38
T.120
T.121
T.122
T.124
T.125
T.126
T.127

Module 09: SIP and Supporting Protocols

Session Initiation Protocol (SIP)
Components of SIP
SIP Messages
Headers for SIP Entities
SIP Functions
SIP: Supported Protocols
Understanding SIP's Architecture
Registering with a SIP Registrar
Requests through Proxy Servers
Requests through Redirect Servers
Peer to Peer Architecture
Instant Messaging and SIMPLE
SIP security
H.323 Vs. SIP
Session Description Protocol (SDP)
SDP Specifications
Security Issues
Real-Time Transport Protocol (RTP)
Real-Time Transport Control Protocol (RTCP)
Real-Time Transport Streaming Protocol (RTSP)
Simple Gateway Control Protocol (SGCP)
Session Announcement Protocol (SAP)
Skinny Client Control Protocol (SCCP)
Security Implications for Skinny
Dynamic Host Configuration Protocol (DHCP)
Trivial File Transfer Protocol (TFTP)
Hyper Text Transfer Protocol (HTTP)
Skype Protocol
Inter-Asterisk Exchange (IAX)
Simple Network Management Protocol (SNMP)

Module 10: Megaco Protocol

Media Gateway Control Protocol (MGCP)
History of Megaco (H.248)
Media Gateway Reference Architecture
MGCP Connections
Per-Call Requirements
Megaco Vs. MGCP
Megaco Protocol Design
Megaco Commands
Megaco Messaging Sequence
Megaco Packages
Megaco IP Phone Media Gateway
Role of Call Processing Language
Call Processing Language Characteristics
Protocol Security

Module 11: Resource Reservation Protocol

Resource Reservation Protocol (RSVP)
RSVP Setup
RSVP Message Structure
RSVP Message
RSVP Message Types
RSVP Object Fields
RSVP Object Classes
RSVP Operation
RSVP Data Payload
RSVP Quality of Service
RSVP Session Start-up
RSVP Reservation Style
RSVP Tunneling
RSVP Traffic Control Module
Security Implications

Module 12: Wireless VoIP

Voice Over WLAN (VoWLAN)
VoWLAN Call Routing
Characteristics of VoWLAN
Limitations of VoWLAN
Wireless VoIP
Wireless VoIP Deployment
Advantages of Wireless VoIP
Limitations of Wireless VoIP
Standards and Protocols
Unlicensed Mobile Access (UMA)
Wireless VoIP Gateway: AH1038
Wireless VoIP Gateway: D-Link DVG-G1402S
Wireless VoIP Gateway: Motorola HH1620 DSL
Wireless IP Phone
Wireless VoIP Phone: EZLoop
Wireless VoIP Phone: P-2000W_V2
Wireless VoIP Phone: Shenzhen WP10W-S
Challenges to Build Successful Wireless VoIP Product
Attacks on Wireless VoIP

Module 13: Encryption Techniques for VoIP

Encryption
Why VoIP needs Encryption?
VoIP Encryption
How to Encrypt VoIP?
Pros & Cons of VoIP Encryption
Voice and Data Encryption Device (V/DED)
Speech Encryption
Media Encryption
Wireless Encryption
IPSec and Role of IPSec in VoIP
Transport Mode
Tunnel Mode
Solutions to VoIPSec Issues
IETF Encryption Solutions for VoIP
Suites from the IETF
S/MIME: Message Authentication
Transport Layer Security (TLS)
TLS: Key Exchange and Signaling Packet Security
Secure Real-Time Transport Protocol (SRTP)
SRTP: Voice/ Video Packet Security

Module 14: Troubleshooting VoIP Network

Issues of Network Slow Down
Troubleshooting Packet Loss
Troubleshooting Jitter
Troubleshooting Packetization Delay
Troubleshooting Bandwidth Problems
Troubleshooting Echo
Troubleshooting Voice Quality on Voice Ports
Troubleshooting Two-stage Dialing Failures
Troubleshooting Socket Failures
Troubleshooting Speech Recognition
Troubleshooting Cabling
Troubleshooting Private Branch Exchange (PBX) Problems
Troubleshooting Central Office (CO) Problems
Troubleshooting Trunk Signaling
Troubleshooting Gateways and Gatekeepers
Troubleshooting Dial Peers
Troubleshooting Serial Interfaces
Troubleshooting Frame Relay
Troubleshooting FXS and FXO Voice Ports
Troubleshooting E&M Voice Ports
Troubleshooting Dial Plans
Basic VoIP Issues and Solutions
Troubleshooting RSVP
Troubleshooting MGCP
Troubleshooting RTP
Troubleshooting RTSP

Module 15: VoIP Testing and Tools

Test Strategy
VoIP Network Component Testing
Gateway Testing
Gatekeeper Testing
IVR Testing
Billing and Prepaid Testing
NMS Testing
VoIP Test Suite
MediaPro: VoIP and Video Analyzer
323Sim: H.323 Simulator
Vulnerability Assessment
Penetration and Vulnerability Testing
VoIP Security Tools
VoIP Sniffing Tools
Auth Tool
VoIPong
Vomit
PSIPDump
Netdude
Oreka
Wireshark
Web Interface for SIP Trace (WIST)
RTP Break
VoIP Scanning and Enumeration Tools
SNScan
Netcat
Smap
SIPScan
SIPcrack
VoIPaudit
iWAR
SiVUS
SCTPscan
VoIP Packet Creation and Flooding Tools
Sipsak
SIPp
SIPNess Messenger
SIP Bomber
Spitter
Sip Send Fun
Scapy
VoIP Fuzzing Tools
Ohrwurm
Fuzzy Packet
SIP Forum Test Framework (SFTF)
Asteroid
SIP-Proxy
VoIP Signaling Manipulation Tools
RTP Tools
Tcpdump
Windump
Ethereal (Wireshark)
Softperfect Network Sniffer
Http Sniffer
Ether Detect Packet Sniffer
Iris Network Traffic Analyzer
SmartSniff
NetResident Tool
VoIP Troubleshooting Tools
P.862
P.563
RTCP-RFC3550
RTCP XR-RFC3611
Packet Statistics
Test Tools
Traceroute
VQmon
Other VoIP Tools

Module 16: Threats to VoIP Communication Network

VoIP is Prone to Numerous Threats
VoIP Vulnerabilities
Denial of Service (DOS)
DoS Attack Scenarios
Eavesdropping
Packet Spoofing and Masquerading
Replay Attack
Call Redirection and Hijacking
ARP Spoofing
ARP Spoofing Attack Scenarios
Service Interception
H.323-Specific Attacks
SIP Security Vulnerabilities

Module 17: VoIP Security

Why VoIP Security?
Constituents of VoIP Security
VoIP Myths and Realities
Securing VoIP with DoS Attacks
Securing against Replay Attack
Securing ARP Caches against ARP Manipulation
Securing H.235 Protocol
Transport Layer Security (TLS)
Skype Protocol Security
IAX Protocol Security
Security Implications for TFTP
Security Implications for HTTP
Security Implications for DHCP
Security Policies and Processes
Physical Security
Human Safeguard Recommendations
Environmental Safeguard Recommendations
Network Intrusion Detection Systems
Host-Based Intrusion Detection Systems
Guidelines for Securing VoIP Network
Best-Practice Approaches for Minimizing common VoIP Network Risks

Module 18: Logical Segregation of Network Traffic

Logical Separation of Data
Converged Network
Virtual LANs (VLANs)
VLAN Security
VLANs and Softphones
QoS and Traffic Shaping
NAT and IP Addressing
How does NAT Work?
NAT: Modes of Operation
NAT and Encryption
Authentication Header (AH)
AH: Transport and Tunnel Modes
Encapsulation Security Payload (ESP)
ESP Header: Transport Mode and Tunnel Mode
Firewalls
Deep packet Inspection (DPI)
Shallow packet Inspection
Stateful Inspection
Medium-Depth Packet Inspection
VoIP-Aware Firewalls Issues
H.323 Firewalls Issues
SIP Firewalls Issues
Bypassing Firewalls and NAT
Methods for Enabling SIP
Access Control Lists

Module 19: Hardware and Software VoIP Vendors

Alcatel
Global Crossing
Avaya
Whaleback
Nortel
Norstar VoIP Gateway
Polycom
Packet8
Vonexus
Infotel
Net 4 India
Dialexia
NGT
Qwest
Pingtel
Cisco
3Com
Vocalocity
Motorola
Nokia

Module 20: Regulatory Compliance of VoIP

Regulatory Compliance
Sarbanes-Oxley Act (SOX)
Management Assessment of Internal Controls
SOX Compliance and Enforcement
Gramm-Leach-Bliley Act (GLBA)
Privacy Rule -Protection of Nonpublic Personal Information
Risk Management Guidelines for VoIP Systems
Development and Implementation of Information Security
Health Insurance Portability and Accountability Act (HIPAA)
Security Standards for the Protection of PHI
Safeguards Standard for the Protection of PHI
Types of Safeguards
Administrative safeguards
Physical safeguards
Technical safeguards
Communication Assistance for Law Enforcement ACT (CALEA)
Assistance Capability Requirements
Cooperation of Equipment Manufacturers and Providers of Telecommunications Support Services
Technical Requirements and Standards
Steps to Resolve CALEA
Enhanced 911 and Related Regulations
E911 Regulatory Basics
European Union (EU) Regulatory Framework
EU Regulatory Basics

Module 21: VoIP Hacking

Types of VoIP Hacking
Stages of VoIP Hacking:
Foot printing
Scanning
Enumeration
Footprinting
Information Sources
Unearthing Information
Organizational Structure and Corporate Locations
Help Desk
Job Listings
Phone Numbers and Extensions
VoIP Vendors
Resumes
WHOIS and DNS Analysis
Steps to Perform Footprinting
Scanning
Objectives of Scanning
Host/Device Discovery
ICMP Ping Sweeps
ARP Pings
TCP Ping Scans
SNMP Sweeps
Port Scanning and Service Discovery
TCP SYN Scan
UDP Scan
Host/Device Identification
What is Enumeration?
Steps to Perform Enumeration
Banner Grabbing with Netcat
SIP User/Extension Enumeration
REGISTER Username Enumeration
INVITE Username Enumeration
OPTIONS Username Enumeration
Automated OPTIONS Scanning with sipsak
Automated REGISTER, INVITE and OPTIONS Scanning with SIPSCAN against SIP server
Automated OPTIONS Scanning Using SIPSCAN against SIP Phones
Enumerating TFTP Servers
SNMP Enumeration
Enumerating VxWorks VoIP Devices
Steps to Exploit the Network
DoS & DDoS Attacks
Flooding Attacks
DNS Cache Poisoning
Sniffing TFTP Configuration File Transfers
Performing Number Harvesting and Call Pattern Tracking
Call Eavesdropping
Interception through VoIP Signaling Manipulation
Man-In-The-Middle (MITM) Attack
Application-Level Interception Techniques
How to Insert Rogue Application?
SIP Rogue Application
Listening to/Recording Calls
Replacing/Mixing Audio
Dropping Calls with a Rogue SIP Proxy
Randomly Redirect Calls with a Rogue SIP Proxy
Additional Attacks with a Rogue SIP Proxy
What is Fuzzing?
Why Fuzzing?
Commercial VoIP Fuzzing tools
Signaling and Media Manipulation
Registration Removal with erase_registrations Tool
Registration Addition with add_registrations Tool
VoIP Phishing
Covering Tracks

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