H.323 (H323)

Descripcion de Curso Calendario
 

Contenido del curso

1. Introduction VoIP

2. RTP (Real-time Transport Protocol)

  • Payload Types
  • RTP Timestamps
  • Silence Supression
  • Supporting Real-time Traffic
  • The first Voice Packet
  • The second voice Packet
  • The third Voice packet
  • A Jitter buffer operation
  • The adaptive Jitter Buffer Example
  • RTP Sequence
  • Synchronization source
  • Contribution Source (CSRC)
  • DTMF (RFC2833)
  • Telephony tones & signals (RFC 2833)
  • RTP Packet-Using Ethereal, find all these RTP fields
  • RTCP – (RTP Control protocol)
    1.Source descriptions SDES
    2.Sender reports SENDER
    3.Receiver reports RECEIVER
    4.RTCP Calculates Round Trip
    5.RTCP Bye Report

3. ASN.1RTP (Real-time Transport Protocol)

  • Sending data, not the format
  • ASN.1 basics
  • ASN.1 Modules
  • Basic Encoding Rules (BER)
  • Packed Encoding Rules (PER)
  • ASN.1 Exercise
    1.Decode an H.245 terminalCapabilitySet Message
    2.How to reference H.245 Annex A
    3.OID
    4. H.323 Architecture
  • H.323 stack
  • H.323 Components
    1.Terminal
    2.MCU
    3.Gateway
    4.Gatekeeper
    5.Border Element
  • Gatekeeper Zone
  • Relationship between H.323 and H.248
  • H.323 Administrative Domain
  • RAS vs Annex G

5. RAS

  • RAS and other H.323 protocols
  • RAS Request/response
  • RAS message set
  • RAS at layer 4
  • RAS at layer 3
  • Close look at popular RAS messages
    1.GRQ-GCF/GRJ exchange
    2.Gatekeeper discovery
    3.RRQ-RCF/RRJ exchange
    4.LW RRAQs
    5.ARQ-ACF/ARJ exchange
    6.LRQ-LCF/LRJ
    7.BRQ-BRF/BRJ exchange
    8.DRQ-DCF/DRJ
    9.IRQ-IRR
    10.RAAI-RAC
    11.SCI-SCR

6. H.225.0

  • Usage of Q.931
  • Q.932 messages supported/forbidden
  • Q.922 messages
  • Direct endpoint signalling
  • Gatekeeper routing
  • Direct endpoint signaling, only called endpoint registered
  • Call example with both endpoints registered across multiple zones
  • Call example using multiple zones and LRQ/LCF
  • RSVP Sync

7. H.245

  • H.245 overview
  • H.245 tunneling
  • Call setup example using RAS, call signalling channel, and H.245
  • Terminal Capability exchange
  • Master/Slave determination
  • Logical Channel signalling
  • Overlap dialing
  • The capability table
  • Simultaneous capabilities
  • Capability descriptors
  • The role of the master

8. Fast Connect Procedure

  • SETUP
  • CALL PROCEEDING
  • PROGRESS
  • FastStart procedure

9. T.38 and H.323

  • The T.38 process
  • Reading a T.38 decode

10. H323 Versions

  • Version 2
  • Version 3
  • Version 4
  • Version 5

11.Labs.

Classroom training
Modality: C

Duración 3 días

Precio (sin incluir impuestos)
  • España: 1.200,- €
Fechas y Registro
 
Calendario

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