André Perez is a consultant and teacher in networks and telecommunications. He works with industrialists and operators regarding architecture studies and leads training on the 4G and IMS networks for NEXCOM SYSTEMS.

• Preface ixList of Abbreviations xvChapter 1. Network Architecture 11.1. EPS network 11.1.1. Functional architecture 11.1.2. Protocol architecture 51.1.3. Bearers 81.2. IMS network 121.2.1. Functional architecture 121.2.2. Protocol architecture 171.3. Databases 181.3.1. Functional architecture 181.3.2. Protocol architecture 181.4. Charging associated with IMS network 191.4.1. Functional architecture 191.4.2. Protocol architecture 211.5. PCC function 211.5.1. Functional architecture 211.5.2. Protocol architecture 221.6. DIAMETER routers 231.7. ENUM system 241.8. IPX network 25Chapter 2. Signaling Protocols 272.1. NAS protocol 272.1.1. EMM messages 282.1.2. ESM messages 302.2. RRC protocol 322.2.1. System information 362.2.2. Control of RRC connection 372.2.3. Measurement report 392.3. S1-AP protocol 402.3.1. Context management 422.3.2. Bearer management 432.3.3. Mobility management 432.3.4. S1-MME interface management 452.4. X2-AP protocol 452.4.1. Mobility management 462.4.2. Load management 472.4.3. X2 interface management 482.5. GTPv2-C protocol 492.5.1. Bearer management 512.5.2. Mobility management 522.6. SIP protocol 532.6.1. Requests 532.6.2. Responses 572.7. SDP protocol 602.8. DIAMETER protocol 612.8.1. Application to EPS network 612.8.2. Application to IMS network 622.8.3. Application to PCC function 64Chapter 3. Basic Procedures 693.1. Attachment 693.2. Registration 753.3. Deregistration 843.4. Detachment 853.5. Establishment of VoLTE session 873.5.1. Originating side 873.5.2. Terminating side 943.6. Termination of VoLTE session 983.6.1. Initiated side 993.6.2. Received side 1003.7. Establishment of ViLTE session 1013.8. Termination of ViLTE session 1043.9. Emergency call 106Chapter 4. Radio Interface Procedures 1094.1. Radio interface 1094.1.1. Data link sub-layer 1104.1.2. Logical channels 1134.1.3. Transport channels 1144.1.4. Physical layer 1144.1.5. Physical signals 1214.1.6. Physical channels 1224.2. Procedures 1244.2.1. Access control 1244.2.2. Data transfer 130Chapter 5. Service Profiles 1475.1. Subscription data 1475.1.1. Subscription to the EPS network 1475.1.2. Subscription to the IMS network 1485.2. VoLTE profile service 1505.2.1. Supplementary telephone services 1505.2.2. Audio flow 1675.3. ViLTE profile service 1705.3.1. Supplementary conversational video service 1705.3.2. Video flow 171Chapter 6. Interconnections 1736.1. Interconnection CS network 1736.1.1. Functional architecture 1736.1.2. Protocol architecture 1756.1.3. Session establishment 1816.1.4. Session termination 1906.2. Interconnection with IMS network 1926.2.1. Functional architecture 1926.2.2. Session establishment 193Chapter 7. Handover 1997.1. Introduction 1997.2. Handover based on X2 2017.2.1. Handover based on X2 without relocation 2017.2.2. Handover based on X2 with relocation 2057.3. Handover based on S1 2077.3.1. Handover based on S1 without relocation 2077.3.2. Handover based on S1 with relocation 2117.4. PS-PS inter-system handover 2187.4.1. Functional architecture 2187.4.2. Procedure. 220Chapter 8. Roaming 2238.1. Functional architecture 2238.1.1. Roaming applied to the EPS network 2238.1.2. Roaming applied to the IMS network 2248.2. Procedures 2288.2.1. Session establishment for nominal routeing 2288.2.2. Session establishment for optimal routeing 235Chapter 9. Service Centralization and Continuity 2439.1. ICS function 2439.1.1. Functional architecture 2439.1.2. Procedures 2469.2. e-SRVCC function 2559.2.1. Functional architecture 2559.2.2. Procedures 260Chapter 10. Short Message Service 27310.1. Message structure 27310.1.1. SM-TL layer 27410.1.2. SM-RL layer 27510.1.3. SM-CL layer 27510.2. SMS over SGsAP 27610.2.1. Functional architecture 27610.2.2. Procedures 27710.3. SMS over SIP 28210.3.1. Functional architecture 28210.3.2. Procedures 283Bibliography 289Index 295

André Perez is a consultant and teacher in networks and telecommunications. He works with industrialists and operators regarding architecture studies and leads training on the 4G and IMS networks for NEXCOM SYSTEMS.

• Preface ixList of Abbreviations xvChapter 1. Network Architecture 11.1. EPS network 11.1.1. Functional architecture 11.1.2. Protocol architecture 51.1.3. Bearers 81.2. IMS network 121.2.1. Functional architecture 121.2.2. Protocol architecture 171.3. Databases 181.3.1. Functional architecture 181.3.2. Protocol architecture 181.4. Charging associated with IMS network 191.4.1. Functional architecture 191.4.2. Protocol architecture 211.5. PCC function 211.5.1. Functional architecture 211.5.2. Protocol architecture 221.6. DIAMETER routers 231.7. ENUM system 241.8. IPX network 25Chapter 2. Signaling Protocols 272.1. NAS protocol 272.1.1. EMM messages 282.1.2. ESM messages 302.2. RRC protocol 322.2.1. System information 362.2.2. Control of RRC connection 372.2.3. Measurement report 392.3. S1-AP protocol 402.3.1. Context management 422.3.2. Bearer management 432.3.3. Mobility management 432.3.4. S1-MME interface management 452.4. X2-AP protocol 452.4.1. Mobility management 462.4.2. Load management 472.4.3. X2 interface management 482.5. GTPv2-C protocol 492.5.1. Bearer management 512.5.2. Mobility management 522.6. SIP protocol 532.6.1. Requests 532.6.2. Responses 572.7. SDP protocol 602.8. DIAMETER protocol 612.8.1. Application to EPS network 612.8.2. Application to IMS network 622.8.3. Application to PCC function 64Chapter 3. Basic Procedures 693.1. Attachment 693.2. Registration 753.3. Deregistration 843.4. Detachment 853.5. Establishment of VoLTE session 873.5.1. Originating side 873.5.2. Terminating side 943.6. Termination of VoLTE session 983.6.1. Initiated side 993.6.2. Received side 1003.7. Establishment of ViLTE session 1013.8. Termination of ViLTE session 1043.9. Emergency call 106Chapter 4. Radio Interface Procedures 1094.1. Radio interface 1094.1.1. Data link sub-layer 1104.1.2. Logical channels 1134.1.3. Transport channels 1144.1.4. Physical layer 1144.1.5. Physical signals 1214.1.6. Physical channels 1224.2. Procedures 1244.2.1. Access control 1244.2.2. Data transfer 130Chapter 5. Service Profiles 1475.1. Subscription data 1475.1.1. Subscription to the EPS network 1475.1.2. Subscription to the IMS network 1485.2. VoLTE profile service 1505.2.1. Supplementary telephone services 1505.2.2. Audio flow 1675.3. ViLTE profile service 1705.3.1. Supplementary conversational video service 1705.3.2. Video flow 171Chapter 6. Interconnections 1736.1. Interconnection CS network 1736.1.1. Functional architecture 1736.1.2. Protocol architecture 1756.1.3. Session establishment 1816.1.4. Session termination 1906.2. Interconnection with IMS network 1926.2.1. Functional architecture 1926.2.2. Session establishment 193Chapter 7. Handover 1997.1. Introduction 1997.2. Handover based on X2 2017.2.1. Handover based on X2 without relocation 2017.2.2. Handover based on X2 with relocation 2057.3. Handover based on S1 2077.3.1. Handover based on S1 without relocation 2077.3.2. Handover based on S1 with relocation 2117.4. PS-PS inter-system handover 2187.4.1. Functional architecture 2187.4.2. Procedure. 220Chapter 8. Roaming 2238.1. Functional architecture 2238.1.1. Roaming applied to the EPS network 2238.1.2. Roaming applied to the IMS network 2248.2. Procedures 2288.2.1. Session establishment for nominal routeing 2288.2.2. Session establishment for optimal routeing 235Chapter 9. Service Centralization and Continuity 2439.1. ICS function 2439.1.1. Functional architecture 2439.1.2. Procedures 2469.2. e-SRVCC function 2559.2.1. Functional architecture 2559.2.2. Procedures 260Chapter 10. Short Message Service 27310.1. Message structure 27310.1.1. SM-TL layer 27410.1.2. SM-RL layer 27510.1.3. SM-CL layer 27510.2. SMS over SGsAP 27610.2.1. Functional architecture 27610.2.2. Procedures 27710.3. SMS over SIP 28210.3.1. Functional architecture 28210.3.2. Procedures 283Bibliography 289Index 295

André Perez is a consultant and teacher in networks and telecommunications. He works with industrialists and operators regarding architecture studies and leads training on the 4G and IMS networks for NEXCOM SYSTEMS.

• Preface ixList of Abbreviations xvChapter 1. Network Architecture 11.1. EPS network 11.1.1. Functional architecture 11.1.2. Protocol architecture 51.1.3. Bearers 81.2. IMS network 121.2.1. Functional architecture 121.2.2. Protocol architecture 171.3. Databases 181.3.1. Functional architecture 181.3.2. Protocol architecture 181.4. Charging associated with IMS network 191.4.1. Functional architecture 191.4.2. Protocol architecture 211.5. PCC function 211.5.1. Functional architecture 211.5.2. Protocol architecture 221.6. DIAMETER routers 231.7. ENUM system 241.8. IPX network 25Chapter 2. Signaling Protocols 272.1. NAS protocol 272.1.1. EMM messages 282.1.2. ESM messages 302.2. RRC protocol 322.2.1. System information 362.2.2. Control of RRC connection 372.2.3. Measurement report 392.3. S1-AP protocol 402.3.1. Context management 422.3.2. Bearer management 432.3.3. Mobility management 432.3.4. S1-MME interface management 452.4. X2-AP protocol 452.4.1. Mobility management 462.4.2. Load management 472.4.3. X2 interface management 482.5. GTPv2-C protocol 492.5.1. Bearer management 512.5.2. Mobility management 522.6. SIP protocol 532.6.1. Requests 532.6.2. Responses 572.7. SDP protocol 602.8. DIAMETER protocol 612.8.1. Application to EPS network 612.8.2. Application to IMS network 622.8.3. Application to PCC function 64Chapter 3. Basic Procedures 693.1. Attachment 693.2. Registration 753.3. Deregistration 843.4. Detachment 853.5. Establishment of VoLTE session 873.5.1. Originating side 873.5.2. Terminating side 943.6. Termination of VoLTE session 983.6.1. Initiated side 993.6.2. Received side 1003.7. Establishment of ViLTE session 1013.8. Termination of ViLTE session 1043.9. Emergency call 106Chapter 4. Radio Interface Procedures 1094.1. Radio interface 1094.1.1. Data link sub-layer 1104.1.2. Logical channels 1134.1.3. Transport channels 1144.1.4. Physical layer 1144.1.5. Physical signals 1214.1.6. Physical channels 1224.2. Procedures 1244.2.1. Access control 1244.2.2. Data transfer 130Chapter 5. Service Profiles 1475.1. Subscription data 1475.1.1. Subscription to the EPS network 1475.1.2. Subscription to the IMS network 1485.2. VoLTE profile service 1505.2.1. Supplementary telephone services 1505.2.2. Audio flow 1675.3. ViLTE profile service 1705.3.1. Supplementary conversational video service 1705.3.2. Video flow 171Chapter 6. Interconnections 1736.1. Interconnection CS network 1736.1.1. Functional architecture 1736.1.2. Protocol architecture 1756.1.3. Session establishment 1816.1.4. Session termination 1906.2. Interconnection with IMS network 1926.2.1. Functional architecture 1926.2.2. Session establishment 193Chapter 7. Handover 1997.1. Introduction 1997.2. Handover based on X2 2017.2.1. Handover based on X2 without relocation 2017.2.2. Handover based on X2 with relocation 2057.3. Handover based on S1 2077.3.1. Handover based on S1 without relocation 2077.3.2. Handover based on S1 with relocation 2117.4. PS-PS inter-system handover 2187.4.1. Functional architecture 2187.4.2. Procedure. 220Chapter 8. Roaming 2238.1. Functional architecture 2238.1.1. Roaming applied to the EPS network 2238.1.2. Roaming applied to the IMS network 2248.2. Procedures 2288.2.1. Session establishment for nominal routeing 2288.2.2. Session establishment for optimal routeing 235Chapter 9. Service Centralization and Continuity 2439.1. ICS function 2439.1.1. Functional architecture 2439.1.2. Procedures 2469.2. e-SRVCC function 2559.2.1. Functional architecture 2559.2.2. Procedures 260Chapter 10. Short Message Service 27310.1. Message structure 27310.1.1. SM-TL layer 27410.1.2. SM-RL layer 27510.1.3. SM-CL layer 27510.2. SMS over SGsAP 27610.2.1. Functional architecture 27610.2.2. Procedures 27710.3. SMS over SIP 28210.3.1. Functional architecture 28210.3.2. Procedures 283Bibliography 289Index 295