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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
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