André Perez is a consultant and a trainer in networks and telecommunications, who defines the implementation of operator networks. He also teaches network technologies in engineering and technical schools.

• Preface ixAcronyms xiiiChapter 1. The EPS Network 11.1. Architecture 11.1.1. Access network 21.1.2. Core network 31.1.3. Protocol architecture 71.2. Signaling protocols 111.2.1. NAS protocol 111.2.2. RRC protocol 161.2.3. S1-AP protocol 211.2.4. X2-AP protocol 241.2.5. GTPv2-C protocol 271.3. Procedures 301.3.1. Attachment procedure 301.3.2. Location update 341.3.3. Bearer activation 361.3.4. Handover procedure 39Chapter 2. The LTE Interface 472.1. Structure of the radioelectric interface 472.2. Data link layer 482.2.1. PDCP protocol 482.2.2. RLC protocol 502.2.3. MAC protocol 562.3. Physical layer 592.3.1. Frequency range 602.3.2. Spatial multiplexing 622.3.3. Time multiplexing 632.3.4. Physical signals and channels 682.4. Procedures 802.4.1. Cell searching 802.4.2. System information 802.4.3. Random access 802.4.4. Data scheduling 822.4.5. Re-transmission in the case of error 84Chapter 3. The CSFB Function 893.1. Reminder about NGN 893.1.1. Architecture of NGN 893.1.2. Signaling transport 913.1.3. Transport of voice data 933.2. The CSFB function 943.3. Procedures 953.3.1. Attachment 953.3.2. Tracking area update 963.3.3. Outgoing call 983.3.4. Incoming call 99Chapter 4. SIP and SDP Protocols  1034.1. Entities 1034.2. Identities 1044.3. Structure of SIP 1054.3.1. Requests 1054.3.2. Responses 1094.3.3. Headers 1124.4. Description of the media 1164.5. Procedures 1184.5.1. Registration 1184.5.2. The session 120Chapter 5. The IMS Network  1375.1. Architecture of IMS 1375.1.1. Session control 1395.1.2. Application servers 1415.1.3. Databases 1425.1.4. Interconnection 1425.1.5. Media processing 1435.1.6. Charging 1445.2. Registration 1465.2.1. First phase of registration 1465.2.2. Second phase of registration 1505.2.3. Subscription 1535.2.4. Notification 1555.3. The session between IMSs 1585.3.1. Establishment of the session 1585.3.2. Termination of the session 1645.4. DIAMETER messages 1655.4.1. The messages related to registration and routing 1665.4.2. Messages relating to control of the media 1665.5. Interoperation with the CS network 1675.5.1. Call initiated by the IMS network 1675.5.2. Call generated by the CS network 1695.5.3. Release of the communication 170Chapter 6. Telephone Services 1736.1. Service profile 1736.2. Communication Diversion 1756.2.1. CFU 1756.2.2. CFB 1766.2.3. CFNR 1776.2.4. CD 1796.2.5. CFNL 1806.3. Identification presentation 1806.3.1. OIP and OIR 1806.3.2. TIP and TIR  1816.4. Message Waiting Indication 1816.5. Call parking 1846.6. Conferencing 1856.7. Communication transfer 1876.8. Communication Waiting 1896.9. Malicious Communication Identification 1926.10. Automatic callback 1936.10.1. CCBS 1936.10.2. CCNR 1966.10.3. CCNL 1976.11. Communication rejection 1986.11.1. ACR 1986.11.2. ICB 1986.11.3. OCB 1986.12. Announcements 198Chapter 7. The SRVCC Function  2037.1. Impact on architectures 2037.1.1. Impact on mobile networks 2037.1.2. Impact on the IMS network 2057.2. Procedures 2077.2.1. Registration 2077.2.2. Session establishment 2117.2.3. PS-CS handover 2147.2.4. Transfer of the communication 216Bibliography 221Index 225

André Perez is a consultant and a trainer in networks and telecommunications, who defines the implementation of operator networks. He also teaches network technologies in engineering and technical schools.

• Preface ixAcronyms xiiiChapter 1. The EPS Network 11.1. Architecture 11.1.1. Access network 21.1.2. Core network 31.1.3. Protocol architecture 71.2. Signaling protocols 111.2.1. NAS protocol 111.2.2. RRC protocol 161.2.3. S1-AP protocol 211.2.4. X2-AP protocol 241.2.5. GTPv2-C protocol 271.3. Procedures 301.3.1. Attachment procedure 301.3.2. Location update 341.3.3. Bearer activation 361.3.4. Handover procedure 39Chapter 2. The LTE Interface 472.1. Structure of the radioelectric interface 472.2. Data link layer 482.2.1. PDCP protocol 482.2.2. RLC protocol 502.2.3. MAC protocol 562.3. Physical layer 592.3.1. Frequency range 602.3.2. Spatial multiplexing 622.3.3. Time multiplexing 632.3.4. Physical signals and channels 682.4. Procedures 802.4.1. Cell searching 802.4.2. System information 802.4.3. Random access 802.4.4. Data scheduling 822.4.5. Re-transmission in the case of error 84Chapter 3. The CSFB Function 893.1. Reminder about NGN 893.1.1. Architecture of NGN 893.1.2. Signaling transport 913.1.3. Transport of voice data 933.2. The CSFB function 943.3. Procedures 953.3.1. Attachment 953.3.2. Tracking area update 963.3.3. Outgoing call 983.3.4. Incoming call 99Chapter 4. SIP and SDP Protocols  1034.1. Entities 1034.2. Identities 1044.3. Structure of SIP 1054.3.1. Requests 1054.3.2. Responses 1094.3.3. Headers 1124.4. Description of the media 1164.5. Procedures 1184.5.1. Registration 1184.5.2. The session 120Chapter 5. The IMS Network  1375.1. Architecture of IMS 1375.1.1. Session control 1395.1.2. Application servers 1415.1.3. Databases 1425.1.4. Interconnection 1425.1.5. Media processing 1435.1.6. Charging 1445.2. Registration 1465.2.1. First phase of registration 1465.2.2. Second phase of registration 1505.2.3. Subscription 1535.2.4. Notification 1555.3. The session between IMSs 1585.3.1. Establishment of the session 1585.3.2. Termination of the session 1645.4. DIAMETER messages 1655.4.1. The messages related to registration and routing 1665.4.2. Messages relating to control of the media 1665.5. Interoperation with the CS network 1675.5.1. Call initiated by the IMS network 1675.5.2. Call generated by the CS network 1695.5.3. Release of the communication 170Chapter 6. Telephone Services 1736.1. Service profile 1736.2. Communication Diversion 1756.2.1. CFU 1756.2.2. CFB 1766.2.3. CFNR 1776.2.4. CD 1796.2.5. CFNL 1806.3. Identification presentation 1806.3.1. OIP and OIR 1806.3.2. TIP and TIR  1816.4. Message Waiting Indication 1816.5. Call parking 1846.6. Conferencing 1856.7. Communication transfer 1876.8. Communication Waiting 1896.9. Malicious Communication Identification 1926.10. Automatic callback 1936.10.1. CCBS 1936.10.2. CCNR 1966.10.3. CCNL 1976.11. Communication rejection 1986.11.1. ACR 1986.11.2. ICB 1986.11.3. OCB 1986.12. Announcements 198Chapter 7. The SRVCC Function  2037.1. Impact on architectures 2037.1.1. Impact on mobile networks 2037.1.2. Impact on the IMS network 2057.2. Procedures 2077.2.1. Registration 2077.2.2. Session establishment 2117.2.3. PS-CS handover 2147.2.4. Transfer of the communication 216Bibliography 221Index 225

André Perez is a consultant and a trainer in networks and telecommunications, who defines the implementation of operator networks. He also teaches network technologies in engineering and technical schools.

• Preface ixAcronyms xiiiChapter 1. The EPS Network 11.1. Architecture 11.1.1. Access network 21.1.2. Core network 31.1.3. Protocol architecture 71.2. Signaling protocols 111.2.1. NAS protocol 111.2.2. RRC protocol 161.2.3. S1-AP protocol 211.2.4. X2-AP protocol 241.2.5. GTPv2-C protocol 271.3. Procedures 301.3.1. Attachment procedure 301.3.2. Location update 341.3.3. Bearer activation 361.3.4. Handover procedure 39Chapter 2. The LTE Interface 472.1. Structure of the radioelectric interface 472.2. Data link layer 482.2.1. PDCP protocol 482.2.2. RLC protocol 502.2.3. MAC protocol 562.3. Physical layer 592.3.1. Frequency range 602.3.2. Spatial multiplexing 622.3.3. Time multiplexing 632.3.4. Physical signals and channels 682.4. Procedures 802.4.1. Cell searching 802.4.2. System information 802.4.3. Random access 802.4.4. Data scheduling 822.4.5. Re-transmission in the case of error 84Chapter 3. The CSFB Function 893.1. Reminder about NGN 893.1.1. Architecture of NGN 893.1.2. Signaling transport 913.1.3. Transport of voice data 933.2. The CSFB function 943.3. Procedures 953.3.1. Attachment 953.3.2. Tracking area update 963.3.3. Outgoing call 983.3.4. Incoming call 99Chapter 4. SIP and SDP Protocols  1034.1. Entities 1034.2. Identities 1044.3. Structure of SIP 1054.3.1. Requests 1054.3.2. Responses 1094.3.3. Headers 1124.4. Description of the media 1164.5. Procedures 1184.5.1. Registration 1184.5.2. The session 120Chapter 5. The IMS Network  1375.1. Architecture of IMS 1375.1.1. Session control 1395.1.2. Application servers 1415.1.3. Databases 1425.1.4. Interconnection 1425.1.5. Media processing 1435.1.6. Charging 1445.2. Registration 1465.2.1. First phase of registration 1465.2.2. Second phase of registration 1505.2.3. Subscription 1535.2.4. Notification 1555.3. The session between IMSs 1585.3.1. Establishment of the session 1585.3.2. Termination of the session 1645.4. DIAMETER messages 1655.4.1. The messages related to registration and routing 1665.4.2. Messages relating to control of the media 1665.5. Interoperation with the CS network 1675.5.1. Call initiated by the IMS network 1675.5.2. Call generated by the CS network 1695.5.3. Release of the communication 170Chapter 6. Telephone Services 1736.1. Service profile 1736.2. Communication Diversion 1756.2.1. CFU 1756.2.2. CFB 1766.2.3. CFNR 1776.2.4. CD 1796.2.5. CFNL 1806.3. Identification presentation 1806.3.1. OIP and OIR 1806.3.2. TIP and TIR  1816.4. Message Waiting Indication 1816.5. Call parking 1846.6. Conferencing 1856.7. Communication transfer 1876.8. Communication Waiting 1896.9. Malicious Communication Identification 1926.10. Automatic callback 1936.10.1. CCBS 1936.10.2. CCNR 1966.10.3. CCNL 1976.11. Communication rejection 1986.11.1. ACR 1986.11.2. ICB 1986.11.3. OCB 1986.12. Announcements 198Chapter 7. The SRVCC Function  2037.1. Impact on architectures 2037.1.1. Impact on mobile networks 2037.1.2. Impact on the IMS network 2057.2. Procedures 2077.2.1. Registration 2077.2.2. Session establishment 2117.2.3. PS-CS handover 2147.2.4. Transfer of the communication 216Bibliography 221Index 225