Course 105: CAMEL Training - TONEX.com

CAMEL Training provides a comprehensive, up-to-date, and easy-to-understand treatment of CAMEL (Customised Applications for Mobile network Enhanced Logic) applied to 3GPP.

After completing this course, students will be able to:

• Understand the basics of SS7 (Architecture and protocols, MTP, SCCP, TCAP, MAP and CAP)
• Understand the basics behind GSM, GPRS and IMS Procedures
• Understand the basics behind SMS and USSD
• Learn the basic GSM, GPRS and UMTS Service Architecture
• Understand the basics of IN Services Applied to Mobile
• Understand and Basic Concepts behind IN Service Creation
• Explain Basic IN and AIN
• Explain Basic CAMEL Architecture
• Learn how CAMEL applies to GSM, GPRS, and IMS

GSM, GPRS and UMTS Services and Features

• Introduction to Mobile Applications
• GSM services
• GSM Phase 2+
• UMTS R99, R4
• IP Multimedia Subsystems (IMS)

THE SYSTEM ARCHITECTURE OF GSM, GPRS and UMTS

• GSM, GPRs and UMTS system Architecture
• GSM, GPRs and UMTS system Addressing
• Roaming and Call Routing 
• Location registration

Network Switching Subsystem (NSS)

• NSS Components
• HLR/AuC
• EIR
• NSS Subsystems and SS7
• Mobile Services Switching Center (MSC) part of NSS
• MSC/VLR
• SGSN and GGSN
• CGF
• IMS

Role of SS7 in Mobile networks

• Call processing and information access
• SS7 network architecture
• SSP, STP and SCP
• SS7 routing
• SS7 links
• SS7 protocols
• Message Transfer Part (MTP) 1-3
• SCCP
• TCAP
• MAP
• CAP

GSM, GPRS and UMTS Operation Scenarios

• Attachment
• MOC and MTC
• Call Setup
• MTC and MOC
• Handover
• SMS
• Supplementary services
• PDP Content
• IMS Attach

Intelligent Network (IN) Architecture

• SCEF Service Creation Environment Function
• SCF Service Control Function
• SMF Service Management Function
• SSF Service Switching Function
• IN Service Examples
• IN Platforms such as SCP and SSP

Advanced Intelligent Network (AIN)

• Release 0
• Release 0.1
• Release 0.2
• Release 1
• AIN Components
• Intelligent Peripheral (IP)
• Service Creation Environment (SCE)
• Service Control Point (SCP)
• Service Management Point (SMP)
• Service Switching Point (SSP)
• AIN Service Examples

Applicability of CAMEL procedures

• Mobile Originated and Mobile Terminated Call Related Activities
• Circuit switched basic services without distinction
• Supplementary Services Invocation
• GPRS sessions and PDP contexts
• Mobile Originating/Terminating SMS through both CS and PS serving network entities
  IP multimedia services (IMS) (except Emergency calls) to support legacy services
• IPMM sessions
• IP multimedia sessions addressed by either E.164 numbers or SIP URLs

CAMEL Phases

• What is CAMEL?
• Full portfolio of IN services
• CAMEL phase 1
• Entities and interfaces in CAMEL phase 1
• Phase 2 enhancements and functionality
• gsmSRF and USSD
• Extra charging features in CAMEL phase 2 operation
• Pre-paid solutions in CAMEL phase 2
• CAMEL Phase 3 enhancements and functionality
• CAMEL enhancements for GPRS
• CAMEL Phase 4 Enhancements & CAP
• CAMEL in the UMTS R4/IMS
• CAMEL phase 4 functionality
• CAMEL Application Part (CAP) specification for IMS
• CAMEL phase 4 additions in Release 6
• CAP Types for CAMEL/IMS interworking

CAMEL Procedures

• Procedures for Mobile Originated Calls and Forwarded Calls
  Procedures for Mobile Terminated Calls
• Procedures for Call Party Handling
• Procedures for SMS
• Procedures for GPRS Data Transmission
• Notifications of non-traffic events to the CSE
• CSE interrogation and control of subscription data
• Subscriber interactions with the CSE
• Charging Activities
• Exceptional procedures or unsuccessful outcome
• CSE related congestion control
• Interactions with supplementary services
• Interactions with Operator Determined Barring (ODB)
• Interactions with Optimal Routeing (OR)
• Interactions with video call and SCUDIF call
• Location Information
• Cross Phase compatibility with future Phases of CAMEL

IP Multimedia Subsystem Call Control

• IM-SSF - gsmSCF Interface
• Operations and arguments
• gsmSCF/gsmSRF interface
• Detailed operation procedures
• ActivityTest procedure
• ApplyCharging procedure
• ApplyChargingReport procedure
• CallGap procedure
• CallInformationReport procedure
• CallInformationRequest procedure
• Cancel procedure
  Connect procedure
• ConnectToResource procedure
• Continue procedure
• ContinueWithArgument Procedure
• DisconnectForwardConnection procedure
• EventReportBCSM procedure
• FurnishChargingInformation procedure
• InitialDP procedure
• ReleaseCall procedure
• RequestReportBCSMEvent procedure
• ResetTimer procedure