Duration
4 hours
Course Description
Online tutorial learning module covering basic topics related to Legacy network, voice over IP communication and SIP protocol.
Products
None
Student Profile
Telecommunication Technical staff intending to attend an AudioCodes ACA certification course (recommendation).
Certification
Record of Participation
General Objectives
On completion of the course, students will be able to:
- Explain the basics on telephone networks
- Describe how digital signaling differs from analog signaling
- Explain the basic concept of voice over IP communications
- Describe the purpose of the Gateway in a VoIP network
- Explain the basic SIP Call Flow
- Identify the SIP Network Entities
- Follow a SIP trace signaling in a call set-up and tear-down
Prerequisites
None
Course Outline
- Introduction to Legacy Telephony:
- The Telephone Network
- Typical Analog Circuit
- DTMF - Dual Tone Multi-Frequency
- Call Progress Tones
- Digital Communication
- Analog Voice Signal Conversion to Digital Stages
- Pulse Code Modulation (PCM)
- Digital Signals Multiplexing
- Time Division Multiplexing (TDM)
- E1/T1
- Signaling Methods
- Integrated Services Digital Network – ISDN
- ISDN (Q.931) Call Flow Messages
- ISDN Basic Rate Interface (BRI)
- Introduction to IP Telephony:
- What is VoIP
- Circuit vs. Packet Switching
- VoIP Architecture
- VoIP Protocol Stack
- What is RTP/RTCP
- Introduction to RTP
- Voice Codecs
- Voice Compression
- VoIP Challenges
- Voice Quality Measurement
- RTCP-XR
- Voice Quality Metrics
Introduction to SIP:
- SIP Network Entities
- SIP Terminology
- SIP Servers
- Basic SIP Call Flow
- SIP Requests: Basic Methods
- SIP Requests: Extended Methods
- SIP Responses
- SIP Addressing
- General Main Header Fields
- Session Description Protocol (SDP)
- Early Media
- Call Flow with Proxy
- SIP Servers – Registrar
Programme scope, delivery arrangements and suitability are confirmed during enquiry.