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AudioCodes VoIP & SIP Fundamentals Training - VoIP

WGAC-ADO-VoIP-S

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Schedule

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Description

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Course Topics

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
  • Registration Call Flow
  • Number Once
  • FXS/FXO Gateways
  • Digital Gateway

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