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Intelligent Networks
Preface ,[object Object],[object Object],[object Object]
Contents  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Contents  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Intelligent Network (IN)   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Value of Telecom Services 1990 2005 1995 2000 VALUE Digital  Mobile Broadband CONNECTIVITY SERVICES VANS AND MOBILE SERVICES DIGITAL MEDIA
Telecom Discontinuities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Computer Controlled Services  ,[object Object],[object Object]
Separation of IN and Basic Services NODE A NODE B NODE C IN Service Logic Basic and supplementary services offered  to customers Basic call  processing Basic call  processing Basic call  processing Hooks Hooks Hooks
Intelligent Network terminology
History of Intelligent Networks  1960 SPCs Electro- mechanical Relay switches 1970 Support for Mgmt 1980 Centralized databases, CC and 800 -services 1985 Feature Node IN/1 1990 IN/1+ AIN Rel 0.1 IN/2 CS 1995 CS1 AIN Rel 0.2 CS2 AIN Rel 1 “ Intelligence” Time
History of Intelligent Networks   ,[object Object],[object Object],[object Object],[object Object],[object Object]
History of Intelligent Networks   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Intelligent Networks   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Intelligent Networks   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Intelligent Networks   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Intelligent Networks   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
History of Intelligent Networks   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CS1 CS2 CS3
Intelligent Network Standards  1 2 3 IN Concept and Modeling Definition of next CS Recommendation for CSx Time Capability sets CSx CS2 CS1 T1 T2 Tx 1 1 1 1 2 2 2 3 3 3
Structure of IN Standards  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Intelligent Network Standards  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Architecture  ,[object Object],[object Object],[object Object],[object Object]
IN Architecture  SSP SSCP IP SS#7 network Signaling Management Signaling Transfer Point (STP) CCAF NAP CCAF Transport Optional FE SMP SMF SSF SSF CCF CCF SDF SCF SN SCF SDF SRF SSF CCF SRF SCP SCF SDP SDF AD SDF SCF SCE SCEF CCF CCAF SRF
IN architecture evolution  ,[object Object],Control logic (intelligence) Local switch Transit switch Calling subscribers Called subscriber
IN architecture evolution  ,[object Object],Service Control Point, SCP Local switch Service Switching Point, SSP Calling subscribers Called subscriber
IN architecture evolution  ,[object Object],Service Control Point, SCP Local switch Service Switching Point, SSP Service X in local service point Service Y in centralized service point Service Z in user terminal ie. phone Control logic (intelligence) Mobile services (GSM, PCS) Mobile Services Switching Center Home Location Register X Base Station System
IN architecture evolution  ,[object Object],Service Control Point, SCP Local switch Broadband Service Switching Point, BSSP (ATM-switch) Some of the service intelligence resides in the user terminal Intelligence required for a service is downloaded to the nearest control point Broadband IP, Media Server Control logic (intelligence) Future mobile services (UMTS, FPLMS, MBS) Media stream Control stream X
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services  ,[object Object],[object Object],[object Object],[object Object],Mass market services Profiled services Custom services 1980 1990 2000 Service Complexity / Value to  customers
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Services
Signaling System no.7 Secure  Fault-Tolerant Speech and Data Transmission Network   Signaling System no.7 Network STP (Signaling Transfer Point)   X X X UNI (User Network Interface) NNI ( Network Node Interface) SP (Signaling Point) NNI
Signaling System no.7  OSI-RM SS7 OSI Reference model and Signaling System no. 7 Network Layers Network Part Application Layers User /  Application Parts Physical Data link Network Transport Session Presentation Application MTP Level 1 MTP Level 2 MTP Level 3 SCCP User Parts TUP ISUP MUP INAP TCAP NULL
[object Object],[object Object],[object Object],[object Object],Signaling System no.7
[object Object],[object Object],[object Object],[object Object],Signaling System no.7
[object Object],[object Object],[object Object],[object Object],Signaling System no.7
[object Object],[object Object],[object Object],[object Object],Signaling System no.7
Signaling System no.7  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signaling System no.7  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signaling System no.7  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signaling System no.7  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signaling System no.7  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signaling   System no.7  INAP Architecture
IN Conceptual Model  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Conceptual Model objectives  ,[object Object],[object Object],[object Object],[object Object],[object Object]
IN Conceptual Model Planes
Service Plane  ,[object Object]
IN  CS.1 Services  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mass Calling (MAS) Malicious Call Identification (MCI) Premium Rate (PRM) Security Screening (SEC) Selective Call Forward on Busy/Don’t Answer (SCF) Split Charging (SPL) Televoting (VOT) Terminating Call Screening (TCS) User-Defined Routing (UDR) Universal Access Number (UAN) Universal Personal Telecommunications (UPT) Virtual Private Network (VPN)
IN  CS.1 Service Features  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: Freephone  ,[object Object],[object Object]
Example: Freephone Service   SSP IP/SN SCP SDP SWITCH PBX Routing A1 A1 A1 PBX Routing Detect Connect   Service Logic   Data Function Service Logic   C1 Charging   Service Logic   1. Dialling service number 0800 123 456  2. IN-Call Detection from B-number  3. Service Logic function. Database  query (from SDP) 4. SDP returns programmed charging information and C-number. 5. SCP sends INAP message to switch (including charging information) 6. Switch saves special charging  information 7. SCP sends INAP message to switch (including new number) 8. Switch connects call to new number 9. Alarming 1 2 3 4 5 6 9 8 7
Example: Premium Rate ,[object Object],[object Object],[object Object]
Example: PRM (cont.) ,[object Object],[object Object]
Example: Premium Rate Service SSP IP/SN SCP SDP SWITCH PBX Routing A1 A1 A1 PBX Routing Detect Connect   Service Logic   Data Function Service Logic   C1 Charging   Service Logic   Connect IP   Announcment   Service Logic   1. Dialling service number 0700 123 456  2. IN-Call Detection from B-number  3. Service Logic function. Database  query (from SDP) 4. SDP returns programmed charging information and C-number. 5. SCP sends INAP message to switch (for playing announcment) 6. Switch connects IP-device to sub- scriber line. 7. IP device plays announcment  8. SCP sends INAP message to switch (including charging information) 9. Switch saves special charging  information 10. SCP sends INAP message to switch (including new number) 11. Switch connects call to new number 1 2 3 4 5 6 9 8 11 7 10
Example: Virtual Private Network   ,[object Object]
Example: VPN (cont.)   ,[object Object]
Example: VPN (cont.)   ,[object Object]
Example: VPN Service (with PNP service features) SSP IP/SN SCP SDP SWITCH PBX Routing A1 A1 A1 PBX Routing Detect Connect   Service Logic   Data Function Service Logic   C1 Charging   Service Logic   1. Dialling short number (fromVPN to VPN) or  company number with subnumber (to VPN) 2. IN-Call Detection from B-number  3. SCP sends message to SDP (db query)  4. SDP returns “Calling Plan etc.” 5. SCP sends INAP message to switch (including charging information) 6. Switch saves charging information 7. SCP sends message to switch (Connet line to VPN number)  8. Switch connects line 1 2 3 4 5 6 6 9 8 7 7
Example: Credit Card Calling ,[object Object],[object Object]
Example: Universal Personal Telephony  ,[object Object],[object Object]
Example: UPT (cont.)   ,[object Object]
Example: Service mappings  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Global Functional Plane  ,[object Object]
Global Functional Plane  ,[object Object],BCP GSL POI POR SIB1 SIB2 SIB3
Service Independent Building Blocks  ,[object Object],[object Object],[object Object]
SIB chains in a Service  SIB1 SIB2 SIB3 SIB6 SIB4 SIB5 POI Basic Call Process POR POR
Service Independent Building Blocks  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SIB graphical representation
SIB inputs and outputs  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: The Queue SIB
Example: Automatic Alternative Billing  ,[object Object],[object Object],[object Object]
Example: AAB (Cont.)  ,[object Object]
IN Automatic Alternative Billing
Example: AAB  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: AAB  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: AAB  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Distributed Functional Plane  ,[object Object]
Functional Entities (FEs)
Functional Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Functional entities  ,[object Object],[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object],[object Object]
Service Switching Function Model
Originating Basic Call State Model
Functional Entities  ,[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object],[object Object]
Service Control Function Model
Functional Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Service Data Function Model
Functional Entities  ,[object Object],[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object]
Service Resource Function Model
Functional Entities  ,[object Object],[object Object],[object Object],[object Object]
Functional Entities  ,[object Object],[object Object],[object Object],[object Object]
Relating GFP to DFP  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: The Queue SIB  Queue SSD Max Active Max Number Max Time Announcement Parameter CIDFP - Resource CIDFP - Error Call Reference Resource CID Resource Available Call Party Abandon Q Timer Expiry Q Full Error Time spent on Queue Error Cause
SIB as a combination of Fees  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: Queue with announcement  ,[object Object],[object Object],[object Object],[object Object],[object Object]
INAP operation description
Example INAP operation   ,[object Object],[object Object],[object Object]
ASN.1 example: ConnectToResourceArg  ,[object Object],[object Object],[object Object],[object Object]
ETSI Core INAP  ,[object Object],[object Object],[object Object],[object Object]
Physical Plane  ,[object Object]
Physical Plane  SSP SSCP IP SS#7 network Signaling Management Signaling Transfer Point (STP) CCAF NAP CCAF Transport Optional FE SMP SMF SSF SSF CCF CCF SDF SCF SN SCF SDF SRF SSF CCF SRF SCP SCF SDP SDF AD SDF SCF SCE SCEF CCF CCAF SRF
Physical Entities (PEs)  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Entities  ,[object Object],[object Object]
Physical Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Entities  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relating DFP to Physical Plane  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Service Creation Service Description Service Analysis Service Testing Service Deployment Service Management Service Modeling Service Development Service creation process for IN services Service Maintenance
IN Service Deployment  Operations Support System  Product development  Requirements   SPECS  IF :  IF + :  SLP:  SDF:  Physical plane  fault  management billing  charging   delivery  customer  service   New services  SLP SDF Building Production R&D Pilots ( IF ) (IF+ ) Service Creation X 2 X 1 X N
IN Service Management  BUILDING SUPPORT Customer  service  DELIVERY   BILLING   PRODUCTION   CHARGING   FAULT MANAGEMENT SCP Delivery  system   Filter  Sort  Filter  Sort  Filter  Sort  Product  configur- ation  VIEW Service Management SDP CDB Fault Base Prices Billing DB Event Base
Example of IN Service Creation  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example of IN Service Creation  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example of IN Service Creation  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example of IN Service Creation  From relational model . . . to object model . . . ,[object Object],700-numbers Use prohibited Restrictions 700-number Beginning time C-number Tariff / min
Example of IN Service Creation  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Markets  ,[object Object],[object Object],[object Object],[object Object],[object Object]
IN Markets  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IN Markets
Future of Telecommunications: Beyond IN  .  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Future of Telecommunications: Beyond IN  . ,[object Object],[object Object],[object Object],[object Object],[object Object]
Future of Telecommunications: Beyond IN  . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Future of Telecommunications: Beyond IN  . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CAMEL Abbreviations
Future of Telecommunications: Beyond IN  . CAMEL Architecture HLR gsmSCF HPLMN MAP MAP CAP MAP CAP IPLMN VPLMN GMSC GSSF VLR VSSF VMSC HLR
Future of Telecommunications: Beyond IN  . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Future of Telecommunications: Beyond IN  .
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Future of Telecommunications: Beyond IN  .
[object Object],[object Object],[object Object],[object Object],[object Object],Future of Telecommunications: Beyond IN  .
Intelligent Network - Summary  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Intelligent Networks

  • 2.
  • 3.
  • 4.
  • 5.
  • 6. Value of Telecom Services 1990 2005 1995 2000 VALUE Digital Mobile Broadband CONNECTIVITY SERVICES VANS AND MOBILE SERVICES DIGITAL MEDIA
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  • 9. Separation of IN and Basic Services NODE A NODE B NODE C IN Service Logic Basic and supplementary services offered to customers Basic call processing Basic call processing Basic call processing Hooks Hooks Hooks
  • 11. History of Intelligent Networks 1960 SPCs Electro- mechanical Relay switches 1970 Support for Mgmt 1980 Centralized databases, CC and 800 -services 1985 Feature Node IN/1 1990 IN/1+ AIN Rel 0.1 IN/2 CS 1995 CS1 AIN Rel 0.2 CS2 AIN Rel 1 “ Intelligence” Time
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  • 19. Intelligent Network Standards 1 2 3 IN Concept and Modeling Definition of next CS Recommendation for CSx Time Capability sets CSx CS2 CS1 T1 T2 Tx 1 1 1 1 2 2 2 3 3 3
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  • 23. IN Architecture SSP SSCP IP SS#7 network Signaling Management Signaling Transfer Point (STP) CCAF NAP CCAF Transport Optional FE SMP SMF SSF SSF CCF CCF SDF SCF SN SCF SDF SRF SSF CCF SRF SCP SCF SDP SDF AD SDF SCF SCE SCEF CCF CCAF SRF
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  • 38. Signaling System no.7 Secure Fault-Tolerant Speech and Data Transmission Network Signaling System no.7 Network STP (Signaling Transfer Point) X X X UNI (User Network Interface) NNI ( Network Node Interface) SP (Signaling Point) NNI
  • 39. Signaling System no.7 OSI-RM SS7 OSI Reference model and Signaling System no. 7 Network Layers Network Part Application Layers User / Application Parts Physical Data link Network Transport Session Presentation Application MTP Level 1 MTP Level 2 MTP Level 3 SCCP User Parts TUP ISUP MUP INAP TCAP NULL
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  • 49. Signaling System no.7 INAP Architecture
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  • 57. Example: Freephone Service SSP IP/SN SCP SDP SWITCH PBX Routing A1 A1 A1 PBX Routing Detect Connect Service Logic Data Function Service Logic C1 Charging Service Logic 1. Dialling service number 0800 123 456 2. IN-Call Detection from B-number 3. Service Logic function. Database query (from SDP) 4. SDP returns programmed charging information and C-number. 5. SCP sends INAP message to switch (including charging information) 6. Switch saves special charging information 7. SCP sends INAP message to switch (including new number) 8. Switch connects call to new number 9. Alarming 1 2 3 4 5 6 9 8 7
  • 58.
  • 59.
  • 60. Example: Premium Rate Service SSP IP/SN SCP SDP SWITCH PBX Routing A1 A1 A1 PBX Routing Detect Connect Service Logic Data Function Service Logic C1 Charging Service Logic Connect IP Announcment Service Logic 1. Dialling service number 0700 123 456 2. IN-Call Detection from B-number 3. Service Logic function. Database query (from SDP) 4. SDP returns programmed charging information and C-number. 5. SCP sends INAP message to switch (for playing announcment) 6. Switch connects IP-device to sub- scriber line. 7. IP device plays announcment 8. SCP sends INAP message to switch (including charging information) 9. Switch saves special charging information 10. SCP sends INAP message to switch (including new number) 11. Switch connects call to new number 1 2 3 4 5 6 9 8 11 7 10
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  • 63.
  • 64. Example: VPN Service (with PNP service features) SSP IP/SN SCP SDP SWITCH PBX Routing A1 A1 A1 PBX Routing Detect Connect Service Logic Data Function Service Logic C1 Charging Service Logic 1. Dialling short number (fromVPN to VPN) or company number with subnumber (to VPN) 2. IN-Call Detection from B-number 3. SCP sends message to SDP (db query) 4. SDP returns “Calling Plan etc.” 5. SCP sends INAP message to switch (including charging information) 6. Switch saves charging information 7. SCP sends message to switch (Connet line to VPN number) 8. Switch connects line 1 2 3 4 5 6 6 9 8 7 7
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  • 72. SIB chains in a Service SIB1 SIB2 SIB3 SIB6 SIB4 SIB5 POI Basic Call Process POR POR
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  • 93. Originating Basic Call State Model
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  • 105. Example: The Queue SIB Queue SSD Max Active Max Number Max Time Announcement Parameter CIDFP - Resource CIDFP - Error Call Reference Resource CID Resource Available Call Party Abandon Q Timer Expiry Q Full Error Time spent on Queue Error Cause
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  • 113. Physical Plane SSP SSCP IP SS#7 network Signaling Management Signaling Transfer Point (STP) CCAF NAP CCAF Transport Optional FE SMP SMF SSF SSF CCF CCF SDF SCF SN SCF SDF SRF SSF CCF SRF SCP SCF SDP SDF AD SDF SCF SCE SCEF CCF CCAF SRF
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  • 124. IN Service Creation Service Description Service Analysis Service Testing Service Deployment Service Management Service Modeling Service Development Service creation process for IN services Service Maintenance
  • 125. IN Service Deployment Operations Support System Product development Requirements SPECS IF : IF + : SLP: SDF: Physical plane fault management billing charging delivery customer service New services SLP SDF Building Production R&D Pilots ( IF ) (IF+ ) Service Creation X 2 X 1 X N
  • 126. IN Service Management BUILDING SUPPORT Customer service DELIVERY BILLING PRODUCTION CHARGING FAULT MANAGEMENT SCP Delivery system Filter Sort Filter Sort Filter Sort Product configur- ation VIEW Service Management SDP CDB Fault Base Prices Billing DB Event Base
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  • 138.
  • 139. Future of Telecommunications: Beyond IN . CAMEL Architecture HLR gsmSCF HPLMN MAP MAP CAP MAP CAP IPLMN VPLMN GMSC GSSF VLR VSSF VMSC HLR
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