pdf_gross.gifUMTS – Rel. 4, 5 and 6 Core Network Architecture & Signaling (BICC, IMS & SIP)

[3-day course, Euro 3,450.- (net) per participant]

backtotop.gifUnderstanding VoIP, Multimedia Services and the Related Protocols

Course Description

  • Reasons for VoIP
    • Network Convergence
    • Growth of Data Networks
    • Resource Efficiency
    • Service Flexibility
  • Problems of VoIP
    • Delay
    • Jitter (Packet Arrival Time Variance)
    • Packet Loss
    • Bandwidth Bottlenecks
  • Obtaining QoS in an IP-Network
    • Diffserv (RFC 2475)
    • Intserv (RFC 1633)
    • Operation of Differentiated Services
    • Operation of Integrated Services
      - Controlled Load Services (RFC 2211)
      - Guaranteed Services (RFC 2212)
  • The Resource Reservation Protocol (RSVP)
    • RSVP and other Protocols in the IP-Protocol Stack
    • Operation of RSVP
      - Sending of RSVP: Path-Messages
      - Sending of RSVP: Resv-Messages
      - Tearing Down a Path
  • The Real Time Transport Protocol (RTP and RTCP)
    • Operation of RTP and RTCP
    • Format of the RTP-Header
      - Version
      - P-Bit (Padding)
      - Ext-Bit (Header Extension)
      - CSRC-Count
      - M-Bit (Marker)
      - Payload Type
      - Sequence Number
      - Timestamp
      - Synchronization Source (SSRC)
      - Contributing Source (CSRC)
    • Example of an RTP-Frame
    • Example of an RTP-Frame
    • Tasks and Functions of RTCP
      - Quality Report Transfer
      - Session Control
      - CNAME <-> SSRC Binding
    • Example of an RTCP-Frame (Sender Report)
  • The H.323-Protocol and Network Architecture
    • Network Architecture
      - H.323-Terminals
      - Gatekeepers
      - Gateways
      - Multipoint Control Unit
    • The H.323-Protocol Suite
      - H.225.0 (RAS)
      - H.225.0 (Call Control / Q.931)
      - H.245 (Media Control)
    • The H.323-Protocol Stack
  • Registration and Call Setup with H.323
    • Initial Conditions
    • Applicability of this Procedure
    • Description

backtotop.gifThe ”Brave New World” of Communications

  • Limitations of the Release 99 Network & Software Architecture
    • Which new services become realistic with Rel. 99?
    • How do the narrow-band MSC’s handle broadband service requests?
    • How can the user gain access to these new services?
  • The New Circuit-Switched CN Architecture with Release 4
    • Introduction of MSC-Servers (MSC-S)
    • Introduction of Media Gateways (MGW)
    • Introduction of New Interfaces Mc, Nb and Nc
    • Introduction of New Protocols BICC, H.248 (MEGACO) and Nb-FP
  • Implementation Options
    • Monolithic Architecture
    • Split Architecture
    • The All-IP Core Network Configuration with Release 4
  • Access and Core Network Architecture with Release 4
  • Detailed Consideration of the Protocol Stacks with Release 4
    • Protocol Stack on the Iu-cs-Interface
      - Transport Network Control Plane
      - Control Plane
      - User Plane
    • Protocol Stack on the Iu-ps-Interface
      - Transport Network Control Plane
      - Control Plane
      - User Plane
    • Protocol Stack on the Mc-Interface
      - Transport Network Control Plane
      - Control Plane
      - User Plane
    • User Plane
      - Protocol Stack on the Nb-Interface
      - Transport Network Control Plane
      - Control Plane
      - User Plane
    • Protocol Stack on the Nc-Interface
      - Transport Network Control Plane
      - Control Plane
      - User Plane
  • The H.248- / MEGACO-Protocol
    • Introduction
    • Principles of Media Gateway Operation
    • Contexts and Terminations
      - Terminations
      - Contexts
    • The H.248 Command Set
  • Examples of Media Gateway Operation through H.248
    • Mobile Originating Call Establishment
    • Detailed Message Flow
    • SRNC Relocation
    • Detailed Message Flow
    • The H.248 Message Structure
      - Overview
      - Part 1: H.248 Message Header
      - Part 2: Transaction Encoding
      - Part 3: Action Request Encoding
      - Part 4: Command ADD-Request Encoding
  • BICC (Bearer Independent Call Control)
    • Functions of BICC
    • Overview: BICC in the Protocol Stack Chain of Release 4
    • The BICC Message Structure
      - Header
      - Mandatory Information Elements with Fixed Length
      - Pointer Section
      - Mandatory Information Elements with Variable Length
      - Optional Information Elements
    • Important BICC-Messages
      - Initial Address Message
      - Continuity Message
      - Address Complete Message
      - Answer Message
      - Release Message
      - Release Complete Message
      - Application Transport Message
      - Example of a BICC-Message
  • Important Architectural Changes with Release 5
    • IP-Multimedia Subsystem (IMS)
    • Home Subscriber Server (HSS)
    • New Gm-Interface
    • GERAN <-> Core Network Connection as Iu-Interface
    • Iub-, Iu-cs- and Iur-Interface alternatively IP-based
  • New Features with Release 5
  • New Features with Release 5
  • Fixed Mobile Convergence
    • The User Domain
    • The Device Domain
    • The Access Domain
    • The Service Domain
    • OSA (Open Service Access)
      - What is OSA?
      - How does OSA work?
    • Multimedia Call Control
      - SIP (Session Initiation Protocol)
      - H.324M
      - H.323
  • Threats and Opportunities for Mobile Network Operators
    • Threats
      - ISP’s and other new Competitors may enter the Mobile Market
      - Mobile Operators may be reduced to a Bit Pipe Provider
      - Risk of Price Dumping
    • Opportunities
      - Mobile Operators Convert into Ultimate Service Providers
      - True Global Roaming
      - Offering of Economical Voice Services is Enabled
      - Software Driven Applications Represent the Front-End of Future Mobile Devices
  • Access and Core Network Architecture with Release 6
    • Overview
    • Interconnection of Alternative RAT’s

backtotop.gifThe IMS (IP Multimedia Subsystem)

  • Access and Core Network Architecture with Release 5
    • Overview
  • Architecture of the IMS
    • Overview
    • IMS Amendments with Release 6
  • P-CSCF (Proxy Call Session Control Function)
    • Tasks & Functions
    • Facts Sheet
  • I-CSCF (Interrogating Call Session Control Function)
    • Tasks & Functions
    • Facts Sheet
  • S-CSCF (Serving Call Session Control Function)
    • Tasks & Functions
    • Facts Sheet
  • BGCF (Breakout Gateway Control Function)
    • Tasks & Functions
    • Facts Sheet
  • MGCF (Media Gateway Control Function) / MGW (IMS-MGW)
    • Tasks & Functions
    • Facts Sheet MGCF
    • Facts Sheet IMS-MGW (IMS-Media Gateway)
  • Facts Sheet IMS-MGW (IMS-Media Gateway)
    • MRF (Multimedia Resource Function)
    • Tasks & Functions
    • Facts Sheet MRFC (Multimedia Resource Function Controller)
    • Facts Sheet MRFP (Multimedia Resource Function Processor)

backtotop.gifThe IMS Protocol Suite

  • Overview
    • Protocols within the IMS-Control Plane
    • Protocols within the IMS-User Plane
  • The DIAMETER Protocol
    • Characteristics
    • IMS-specific Amendments to DIAMETER Protocol
  • The Session Description Protocol (SDP)
    • Overview
    • Session Description Items
      - SDP-Protocol Version Number
      - Origin of Session and Session Identifier
      - Session Name
      - Session Information
      - URI of Information to additional Conference Description
      - e-mail Address and Telephone Number
      - Connection Information
      - Bandwidth Information
      - Time Zone Adjustments
      - Encryption Key
      - Session Attributes
    • Media Description Items
      - Media Name and Transport Address
      - Media Title
      - Connection Information
      - Bandwidth Information
      - Encryption Key
      - RTP Mapping Attribute
    • Time Description Items
      - Start and Stop Time when the Session is active
      - Repeat Times
    • Example: Session and Media Descriptors through SDP
    • Interworking between Application and SDP
  • The Session Initiation Protocol
    • SIP-Functions
      - Locating of the User
      - Determination of User Availability
      - Discussion of Media Parameters
      - Session Setup and Release
      - Session Modification
    • Scope of SIP
    • Session Establishment
    • Clarification of the Term “Session”
    • Session Modification
    • Session Release
    • Philosophy of SIP-Operation
      - Session Completion Phase
      - Session Active Phase
    • User Agent Client and User Agent Server
    • Simple Example for Session Setup through SIP
      - Overview
      - Request: INVITE-Message
      - Response: 100 (Trying)
      - Response: 180 (Ringing)
      - Response: 200 (OK)
      - Request: ACK
      - Example of one of the 4300 Speech Frames
      - Request: BYE
      - Response: 200 (OK)
  • SIP-Message Format
    • General Information
    • Request Messages
    • Response Messages
  • SIP-Message Contents
    • The Request Line (Request Messages only)
    • The Different Method-Types
      - REGISTER
      - INVITE
      - ACK
      - CANCEL
      - BYE
      - OPTIONS
      - INFO
      - MESSAGE
      - SUBSCRIBE
      - NOTIFY
      - PRACK
      - REFER
      - UPDATE
      - PUBLISH
    • Address Specification / Request-URI
      - The “tel”-URI
      - The SIP(S)-URI
    • The Status Line
      - Status Code and Reason Phrase
    • The “From:” and the “To:” Header Fields
      - Display-Name
      - Tag
    • The “Call-ID:” and “Max-Forwards:” Header Fields
      - Call-ID
      - Max-Forwards
    • The “CSeq:” Header Field
    • The “Via:” Header Field
    • The “Contact:” Header Field
  • The “Contact:” Header Field
    • IMS Operation and Procedures – Some Examples
    • Registration
    • Registration: Message Flow
      - Initial Conditions
      - Applicability of this Procedure
      - Description
    • Call Setup between two SIP-Users on Different Networks
    • Call Setup Procedure: Message Flow
      - Initial Conditions
      - Applicability of this Procedure
      - Description
    • Use Case Example: Floor Control during Conferencing (PoC)
      BFCP-Operation during a PoC Session
    • SIP-Procedure Preparation in 3GPP-Networks

v2.0

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