Content for TS 24.301 Word version: 17.4.1
6 Elementary procedures for EPS session management
6.1 Overview
6.1.1 General
6.1.2 Types of ESM procedures
6.1.3 ESM sublayer states
6.1.4 Coordination between ESM and SM
6.1.4A Coordination between ESM and 5GSM
6.1.5 Coordination between ESM and EMM for supporting ISR
6.2 IP address allocation
6.2A IP header compression
6.3 General on elementary ESM procedures
6.4 Network initiated ESM procedures
6.4.1 Default EPS bearer context activation procedure
6.4.2 Dedicated EPS bearer context activation procedure
6.4.3 EPS bearer context modification procedure
6.4.4 EPS bearer context deactivation procedure
6.5 UE requested ESM procedures
6.5.0 General
6.5.1 UE requested PDN connectivity procedure
6.5.2 UE requested PDN disconnect procedure
6.5.3 UE requested bearer resource allocation procedure
6.5.4 UE requested bearer resource modification procedure
6.5.5 Handling session management request for UE configured for dual priority
6.6 Miscellaneous procedures
6.6.1 Exchange of protocol configuration options
6.6.2 Notification procedure
6.6.3 Remote UE Report procedure
6.6.4 Transport of user data via the control plane procedure
6.7 Reception of an ESM STATUS message by an ESM entity
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6 Elementary procedures for EPS session management Word‑p. 258
6.1 Overview Word‑p. 258
6.1.1 General Word‑p. 258
6.1.2 Types of ESM procedures Word‑p. 259
6.1.3 ESM sublayer states Word‑p. 260
6.1.3.1 General Word‑p. 260
6.1.3.2 ESM sublayer states in the UE Word‑p. 260
6.1.3.2.1 BEARER CONTEXT INACTIVE Word‑p. 260
6.1.3.2.2 BEARER CONTEXT ACTIVE Word‑p. 260
6.1.3.2.3 PROCEDURE TRANSACTION INACTIVE Word‑p. 260
6.1.3.2.4 PROCEDURE TRANSACTION PENDING Word‑p. 260
6.1.3.3 ESM sublayer states in the MME Word‑p. 261
6.1.3.3.1 BEARER CONTEXT INACTIVE Word‑p. 261
6.1.3.3.2 BEARER CONTEXT ACTIVE PENDING Word‑p. 261
6.1.3.3.3 BEARER CONTEXT ACTIVE Word‑p. 261
6.1.3.3.4 BEARER CONTEXT INACTIVE PENDING Word‑p. 261
6.1.3.3.5 BEARER CONTEXT MODIFY PENDING Word‑p. 261
6.1.3.3.6 PROCEDURE TRANSACTION INACTIVE Word‑p. 262
6.1.3.3.7 PROCEDURE TRANSACTION PENDING Word‑p. 262
6.1.4 Coordination between ESM and SM Word‑p. 262
6.1.4A Coordination between ESM and 5GSM |R15| Word‑p. 263
6.1.5 Coordination between ESM and EMM for supporting ISR Word‑p. 263
6.2 IP address allocation Word‑p. 263
6.2.1 General Word‑p. 263
6.2.2 IP address allocation via NAS signalling Word‑p. 264
6.2A IP header compression |R13| Word‑p. 265
6.3 General on elementary ESM procedures Word‑p. 265
6.3.1 Services provided by lower layers Word‑p. 265
6.3.2 Principles of address handling for ESM procedures Word‑p. 265
6.3.3 Abnormal cases in the UE Word‑p. 268
6.3.4 Abnormal cases in the network Word‑p. 269
6.3.5 Handling of APN based congestion control |R10| Word‑p. 269
6.3.5A Handling of group specific session management congestion control |R13| Word‑p. 269
6.3.6 Handling of network rejection not due to APN based congestion control |R12| Word‑p. 270
6.3.7 Handling of WLAN offload control |R12| Word‑p. 270
6.3.8 Handling of serving PLMN rate control |R13| Word‑p. 270
6.3.9 Handling of APN rate control |R13| Word‑p. 271
6.3.10 Handling of 3GPP PS data off |R14| Word‑p. 271
6.3.11 Handling of Reliable Data Service |R14| Word‑p. 272
6.3.12 Handling of Ethernet PDN type |R16| Word‑p. 273
6.3.13 Handling of Uncrewed aerial vehicle identification, authentication, and authorization |R17| Word‑p. 273
6.3.13.1 General Word‑p. 273
6.3.13.2 Authentication and authorization of UAV Word‑p. 273
6.3.13.3 Authorization of C2 communication Word‑p. 273
6.3.13.4 Authorization of UAV flight Word‑p. 273
6.4 Network initiated ESM procedures Word‑p. 274
6.4.1 Default EPS bearer context activation procedure Word‑p. 274
6.4.1.1 General Word‑p. 274
6.4.1.2 Default EPS bearer context activation initiated by the network Word‑p. 274
6.4.1.3 Default EPS bearer context activation accepted by the UE Word‑p. 274
6.4.1.4 Default EPS bearer context activation not accepted by the UE Word‑p. 276
6.4.1.5 Abnormal cases in the UE Word‑p. 276
6.4.1.6 Abnormal cases on the network side Word‑p. 276
6.4.2 Dedicated EPS bearer context activation procedure Word‑p. 277
6.4.2.1 General Word‑p. 277
6.4.2.2 Dedicated EPS bearer context activation initiated by the network Word‑p. 277
6.4.2.3 Dedicated EPS bearer context activation accepted by the UE Word‑p. 278
6.4.2.4 Dedicated EPS bearer context activation not accepted by the UE Word‑p. 279
6.4.2.5 Abnormal cases in the UE Word‑p. 280
6.4.2.6 Abnormal cases on the network side Word‑p. 281
6.4.3 EPS bearer context modification procedure Word‑p. 281
6.4.3.1 General Word‑p. 281
6.4.3.2 EPS bearer context modification initiated by the network Word‑p. 281
6.4.3.3 EPS bearer context modification accepted by the UE Word‑p. 282
6.4.3.4 EPS bearer context modification not accepted by the UE Word‑p. 284
6.4.3.5 Abnormal cases in the UE Word‑p. 286
6.4.3.6 Abnormal cases on the network side Word‑p. 286
6.4.4 EPS bearer context deactivation procedure Word‑p. 286
6.4.4.1 General Word‑p. 286
6.4.4.2 EPS bearer context deactivation initiated by the network Word‑p. 286
6.4.4.3 EPS bearer context deactivation accepted by the UE Word‑p. 287
6.4.4.4 Abnormal cases in the UE Word‑p. 289
6.4.4.5 Abnormal cases on the network side Word‑p. 290
6.4.4.6 Local EPS bearer context deactivation without NAS signalling Word‑p. 290
6.5 UE requested ESM procedures Word‑p. 291
6.5.0 General |R11| Word‑p. 291
6.5.1 UE requested PDN connectivity procedure Word‑p. 292
6.5.1.1 General Word‑p. 292
6.5.1.2 UE requested PDN connectivity procedure initiation Word‑p. 293
6.5.1.3 UE requested PDN connectivity procedure accepted by the network Word‑p. 295
6.5.1.4 UE requested PDN connectivity procedure not accepted by the network Word‑p. 297
6.5.1.4.1 General |R12| Word‑p. 297
6.5.1.4.2 Handling of network rejection due to ESM cause #26 |R12| Word‑p. 298
6.5.1.4.3 Handling of network rejection due to ESM cause other than ESM cause #26 |R12| Word‑p. 301
6.5.1.4A Handling the maximum number of active EPS bearer contexts |R11| Word‑p. 307
6.5.1.4B Void
6.5.1.4C Handling the maximum number of active user plane radio bearers in NB-S1 mode |R16| Word‑p. 307
6.5.1.5 Abnormal cases in the UE Word‑p. 307
6.5.1.6 Abnormal cases on the network side Word‑p. 308
6.5.1.7 Handling PDN connectivity request for UE configured for dual priority |R11| Word‑p. 309
6.5.2 UE requested PDN disconnect procedure Word‑p. 309
6.5.2.1 General Word‑p. 309
6.5.2.2 UE requested PDN disconnection procedure initiation Word‑p. 310
6.5.2.3 UE requested PDN disconnection procedure accepted by the network Word‑p. 310
6.5.2.4 UE requested PDN disconnection procedure not accepted by the network Word‑p. 310
6.5.2.5 Abnormal cases in the UE Word‑p. 311
6.5.2.6 Abnormal cases on the network side Word‑p. 311
6.5.3 UE requested bearer resource allocation procedure Word‑p. 311
6.5.3.1 General Word‑p. 311
6.5.3.2 UE requested bearer resource allocation procedure initiation Word‑p. 312
6.5.3.3 UE requested bearer resource allocation procedure accepted by the network Word‑p. 312
6.5.3.4 UE requested bearer resource allocation procedure not accepted by the network Word‑p. 313
6.5.3.4.1 General |R12| Word‑p. 313
6.5.3.4.2 Handling of network rejection due to ESM cause #26 |R12| Word‑p. 315
6.5.3.4.3 Handling of network rejection due to ESM cause other than ESM cause #26 |R12| Word‑p. 316
6.5.3.4A Handling the maximum number of active EPS bearer contexts |R11| Word‑p. 318
6.5.3.5 Abnormal cases in the UE Word‑p. 318
6.5.3.6 Abnormal cases on the network side Word‑p. 319
6.5.4 UE requested bearer resource modification procedure Word‑p. 319
6.5.4.1 General Word‑p. 319
6.5.4.2 UE requested bearer resource modification procedure initiation Word‑p. 319
6.5.4.3 UE requested bearer resource modification procedure accepted by the network Word‑p. 322
6.5.4.4 UE requested bearer resource modification procedure not accepted by the network Word‑p. 322
6.5.4.4.1 General |R12| Word‑p. 322
6.5.4.4.2 Handling of network rejection due to ESM cause #26 |R12| Word‑p. 325
6.5.4.4.3 Handling of network rejection due to ESM cause other than ESM cause #26 |R12| Word‑p. 326
6.5.4.5 Abnormal cases in the UE Word‑p. 328
6.5.4.6 Abnormal cases on the network side Word‑p. 329
6.5.5 Handling session management request for UE configured for dual priority |R11| Word‑p. 329
6.6 Miscellaneous procedures Word‑p. 330
6.6.1 Exchange of protocol configuration options Word‑p. 330
6.6.1.1 General Word‑p. 330
6.6.1.2 ESM information request procedure Word‑p. 331
6.6.1.2.1 General Word‑p. 331
6.6.1.2.2 ESM information request initiated by the network Word‑p. 331
6.6.1.2.3 ESM information request completion by the UE Word‑p. 331
6.6.1.2.4 ESM information request completion by the network Word‑p. 331
6.6.1.2.5 Abnormal cases in the UE Word‑p. 332
6.6.1.2.6 Abnormal cases on the network side Word‑p. 332
6.6.1.3 Exchange of protocol configuration options in other messages Word‑p. 332
6.6.2 Notification procedure |R9| Word‑p. 332
6.6.2.1 General Word‑p. 332
6.6.2.2 Notification procedure initiation by the network Word‑p. 332
6.6.2.3 Notification procedure in the UE Word‑p. 333
6.6.2.4 Abnormal cases on the network side Word‑p. 333
6.6.3 Remote UE Report procedure |R13| Word‑p. 333
6.6.3.1 General Word‑p. 333
6.6.3.2 Remote UE Report initiated by the UE Word‑p. 333
6.6.3.3 Remote UE Report completion by the network Word‑p. 334
6.6.3.4 Remote UE Report completion by the UE Word‑p. 334
6.6.3.5 Abnormal cases in the UE Word‑p. 334
6.6.3.6 Abnormal cases on the network side Word‑p. 334
6.6.4 Transport of user data via the control plane procedure |R13| Word‑p. 334
6.6.4.1 General Word‑p. 334
6.6.4.2 UE initiated transport of user data via the control plane Word‑p. 334
6.6.4.3 Network initiated transport of user data via the control plane Word‑p. 335
6.6.4.4 Abnormal cases in the UE |R14| Word‑p. 335
6.6.4.5 Abnormal cases on the network side |R14| Word‑p. 336
6.7 Reception of an ESM STATUS message by an ESM entity Word‑p. 336
