Wireless Intelligent Networking HLR SCP
Overview We will discuss the following topics: • What Intelligent Networking is • What are the principles of Intelligent Networking • Where Intelligent Networking is defined today • What services are defined for Intelligent Networking • What the overall architecture is for an Intelligent Network
What is Wireless Intelligent Networking? • An Evolving Network Architecture • Enhanced Mobile Services • New Capabilities • Intelligent Networking • Features Controlled Outside the Switch • Defined for Wireline and Wireless Networks
Intelligent Network Characteristics • It allows for rapid introduction of new services • It is customer and telephone provider programmable • It is supplier transparent and independent • It supports enhanced service provider access
Intelligent Networking Terms What is AIN? What is INAP? What is WIN? What is CAMEL?
Principles of Intelligent Networking Service #1 Service Plane POI SIB BCP POR SIB Global Functional Plane SIB SIB SIB SIB SIB SIB Distributed Functional Plane Hardware Hardware Hardware Physical Plane
Intelligent Network Conceptual ModelAn Overview Service Plane Service #1 Services, Service Features SF SF Global Functional Plane POI SIB BCP SIBs POR SIB Distributed Functional Plane FE FE FEs and IFs FE FE Physical Plane Hardware SSP PEs Hardware IP Hardware ISCP
Intelligent Networking StandardsCustomized Applications for Mobile network Enhanced Logic (CAMEL) GSM Release CAMEL Phase CAMEL Stage 1 CAMEL Stage 2 CAMEL Stage 3 Resp Year ETSI 1991 Phase 1 ETSI 1994 Phase 2 ETSI 1996 Phase 2+ R96 Phase 1 GSM TS 02.78 GSM 03.78 GSM TS 09.78 ETSI 1997 Phase 2+ R97 Phase 2 GSM TS 02.78GSM 03.78 GSM TS 09.78 ETSI 1998 Phase 2+ R98 Phase 2 GSM TS 02.78GSM 03.78 GSM TS 09.78 3GPP 1999 3G R99 Phase 3 3GPP TS 22.078 3GPP TS 23.078 3GPP TS 29.078 3GPP 2000 3G Rel-4 Phase 3 3GPP TS 22.078 3GPP TS 23.078 3GPP TS 29.078 3GPP 2002 3G Rel-5 Phase 4 3GPP TS 22.078 3GPP TS 23.278 3GPP TS 29.078 3GPP 2004 3G Rel-6 Phase 4 3GPP TS 22.078 3GPP TS 23.278 3GPP TS 29.078 3GPP 2006 3G Rel-7 Phase 4 3GPP TS 22.078 3GPP TS 23.278 3GPP TS 29.078
Intelligent Networking StandardsWireless Intelligent Networking (WIN) 7-97 4-98 12-98 7-00 10-00 01-04 06-04 CNAM (IS-764) Intersystem Standards WIN Phase 1 (IS-771) WIN PPC (IS-826) WIN Phase 2 (IS-848) 3GPP2 X.S0010-A 3GPP2 X.S0009-0 TIA/EIA-41 TIA/EIA-41 TIA/EIA-664 TIA/EIA-41 TIA/EIA-664 TIA/EIAIS-764 TIA/EIA-41 TIA/EIA-664 TIA/EIA/IS-730 TIA/EIA/IS-751 TIA/EIA/IS-764 TIA/EIA/IS-771 TIA/EIA/IS-826 TIA/EIA-41 TIA/EIA-664 TIA/EIA/IS-737 TIA/EIA/IS-807 TIA/EIA/IS-826 TIA/EIA/IS-841 TIA/EIA/IS-848 DMH TIA/EIA-41 TIA/EIA-664 TIA/EIA/IS-764 TIA/EIA/IS-771 TIA/EIA/IS-848 J-STD-036-A DMH TIA/EIA/IS-826 TIA-881 TIA/EIA-41 TIA/EIA-664 TIA/EIA/IS-764 TIA/EIA/IS-751 TIA/EIA/IS-771
Intelligent Networking PhasesCAMEL CAMEL Phase 1 • Control of MO, MT and MF calls • Any time interrogation • Additional EDPs • interaction between a user and a service using announcements, voice prompting and information collection via in-band or USSD interaction; • Control of call duration and transfer of AoC Information to the ms; • The CSE can be informed about the invocation of the supplementary services ECT, CD and MPTY; • For easier post-processing, charging information from a serving node can be integrated in normal call records. CAMEL Phase 2 • Support of facilities to avoid overload; • Capabilities to support Dialed Services; • Capabilities to handle mobility events, such as not-reachable and roaming; • Control of GPRS sessions and PDP contexts; • Control of mobile originating SMS through both CS and PS serving network entities; • Interworking with SoLSA (Support of Localized Service Area) (optional) • The CSE can be informed about the invocation of the SS CCBS. CAMEL Phase 3 • Support of Optimal Routing for CS mobile to mobile calls; • Capability of the CSE to create additional parties in an existing call; • Capability for the CSE to create a new call unrelated to any other existing call; • Capabilities for the enhanced handling of call party connections; • Capability for the CSE to control sessions in the IP Multimedia Subsystem (IMS); • Enhanced CSE capability for dialed services; • The capability to report basic service changes during ongoing call; • The CSE capability to select between preferred and less preferred bearer services; • The capability for the CSE to control trunk originated calls; • The capability for the CSE to request additional dialed digits; Release 5 CAMEL Phase 4 Release 6 Release 7
Intelligent Networking PhasesWIN • Voice Controlled Services • Incoming Call Screening • Calling Name Delivery WIN Phase 1 WIN Pre-Paid Charging • Pre-Paid Charging (Voice) • Enhanced Charging Services • Triggers for Preferred Language • Advice of Charge • Rejection of Undesired Annoying Calls • Premium Rate Charging • Freephone WIN Phase 2 3GPP2 X.S0010-A • PPC Enhancements for Circuit-Switched Data and SMS 3GPP2 X.S0009-0 • WIN Support for Location Based Services
Intelligent Networking ArchitectureOverall VLR MSC STP Intelligent Peripheral VLR MSC STP Service Creation SCP HLR
Intelligent Network ArchitectureThe MSC/VLR and HLR • Basic Call State Model (BCSM) • O-BCSM • T-BCSM • Detection Points • Triggers • Events • Provisioning • CCF/SSF VLR MSC VLR STP Intelligent Peripheral MSC Service Creation STP SCP HLR
Intelligent Network ArchitectureThe Signaling Network • STP Translations • Routes • GTT • Links LSL, HSL, IP • Monitor Signaling Traffic • Interconnection Issues • Gateway Screening VLR MSC STP Intelligent Peripheral VLR MSC STP Service Creation SCP HLR
Intelligent Network ArchitectureThe SCP and IP • Interfaces with the MSC (CCF/SCF) • Contains Service Logic (SCF) • Service Data (SDF) • Specialized Resources (SRF) Voice Announcements DTMF Receivers • Interfaces with other Databases VLR MSC Intelligent Peripheral STP VLR MSC Service Creation STP SCP HLR
Intelligent Network ArchitectureService Creation • Service Design • Service Provisioning • Service Validation & Testing • Service Activation • Service Assurance VLR MSC STP Intelligent Peripheral VLR MSC STP Service Creation SCP HLR
Intelligent Networking Protocol Applications 7 I SDNUP TCAP T U P D U P 4, 5, 6 SCCP 3 Network MTP Link 2 Data Link 1 …the fundamental idea of the SS7 protocol is to divide functions into MTP and various user parts...
Sample Call Flow ScenarioCAMEL Pre-Paid gsmSSF gsmSCF VLR MSC SCP InitialDP 1 Request Report BCSM; Establish Temporary Connection 2 Disconnect Forward Connection; Request Report BCSM; Continue 3 Event Report BCSM 4 Apply Charging; Request Report BCSM; Continue 5 Apply Charging Report 6 Event Report BCSM 7 Release Call 8
Sample Call Flow ScenarioWIN Pre-Paid Serving System VLR IP MSC SCP Origination_Attempt_Authorized call origination ORREQ (MSCID, MSID, MDN, BILLID, DGTSDIAL, TRIGTYPE) Balance above threshold orreq(DMH_SVCID = PPC) Calling_Routing_Address_Available ANYLZD (MSCID, TRANSCAP, WINCAP, MSID, MDN, BILLID, DGTSDIAL, RoutinInfo, TRIGTYPE, TOD, TDO) SEIZERES (SRFCapability, PLIND) seizeres (TLDN) CONNRES(DSTDGTS, CARDGTS, ROUTDGTS) call setup to IP INSTREQ SRFDIR (ANNLIST) announcement srfdir anylzd call release instreq call setup answer O_Answer OANSWER (MSCID, MSID, MDN, BILLID, TRIGTYPE, TOD, TDO) answer O_Disconnect disconnect ODISCONNECT (MSCID, MSID, MDN, BILLID, TRIGTYPE, RELCAUSE, TOD, TDO) odisconnect call release
In Conclusion • Wireless Intelligent Networking allows the service provider to rapidly introduce new services • Mobile Pre-Pay is a common application • There are two overall standards employed today – CAMEL and WIN • Maintaining and monitoring the Common Channel Signaling (CCS) network is critical to its success • Understanding and troubleshooting the SS7 protocol is a key part of that success.