LTE Non Access Stratum protocol for Evolved Packet System (EPS)
2016. 6. 22. 14:26ㆍMobile/LTE and 5G
| Message type | Direction | Message | Reference | |
|---|---|---|---|---|
| 0x42 | 66 | to UE | Attach accept | 8.2.1 |
| 0x43 | 67 | to Network | Attach complete | 8.2.2 |
| 0x44 | 68 | to UE | Attach reject | 8.2.3 |
| 0x41 | 65 | to Network | Attach request | 8.2.4 |
| 0x5c | 92 | to Network | Authentication failure | 8.2.5 |
| 0x54 | 84 | to UE | Authentication reject | 8.2.6 |
| 0x52 | 82 | to UE | Authentication request | 8.2.7 |
| 0x53 | 83 | to Network | Authentication response | 8.2.8 |
| 0x64 | 100 | to UE | CS Service notification | 8.2.9 |
| 0x46 | 70 | to UE | Detach accept (UE originating detach) | 8.2.10.1 |
| 0x46 | 70 | to Network | Detach accept (UE terminated detach) | 8.2.10.2 |
| 0x45 | 69 | to Network | Detach request (UE originating detach) | 8.2.11.1 |
| 0x45 | 69 | to UE | Detach request (UE terminated detach) | 8.2.11.2 |
| 0x62 | 98 | to UE | Downlink NAS transport | 8.2.12 |
| 0x61 | 97 | to UE | EMM information | 8.2.13 |
| 0x60 | 96 | both | EMM status | 8.2.14 |
| 0x4c | 76 | to Network | Extended service request | 8.2.15 |
| 0x50 | 80 | to UE | GUTI reallocation command | 8.2.16 |
| 0x51 | 81 | to Network | GUTI reallocation complete | 8.2.17 |
| 0x55 | 85 | to UE | Identity request | 8.2.18 |
| 0x56 | 86 | to Network | Identity response | 8.2.19 |
| 0x5d | 93 | to UE | Security mode command | 8.2.20 |
| 0x5e | 94 | to Network | Security mode complete | 8.2.21 |
| 0x5f | 95 | to Network | Security mode reject | 8.2.22 |
| both | Security protected NAS message | 8.2.23 | ||
| 0x4d | 77 | to UE | Service reject | 8.2.24 |
| to Network | Service request | 8.2.25 | ||
| 0x49 | 73 | to UE | Tracking area update accept | 8.2.26 |
| 0x4a | 74 | to Network | Tracking area update complete | 8.2.27 |
| 0x4b | 75 | to UE | Tracking area update reject | 8.2.28 |
| 0x48 | 72 | to Network | Tracking area update request | 8.2.29 |
| 0x63 | 99 | to Network | Uplink NAS transport | 8.2.30 |
| 0x68 | 104 | to UE | Downlink generic NAS transport | 8.2.31 |
| 0x69 | 105 | to Network | Uplink generic NAS transport | 8.2.32 |
| Nb = 34 | ||||
| Message type | Direction | Message | Reference | |
|---|---|---|---|---|
| 0xc6 | 198 | to Network | Activate dedicated EPS bearer context accept | 8.3.1 |
| 0xc7 | 199 | to Network | Activate dedicated EPS bearer context reject | 8.3.2 |
| 0xc5 | 197 | to UE | Activate dedicated EPS bearer context request | 8.3.3 |
| 0xc2 | 194 | to Network | Activate default EPS bearer context accept | 8.3.4 |
| 0xc3 | 195 | to Network | Activate default EPS bearer context reject | 8.3.5 |
| 0xc1 | 193 | to UE | Activate default EPS bearer context request | 8.3.6 |
| 0xd5 | 213 | to UE | Bearer resource allocation reject | 8.3.7 |
| 0xd4 | 212 | to Network | Bearer resource allocation request | 8.3.8 |
| 0xd7 | 215 | to UE | Bearer resource modification reject | 8.3.9 |
| 0xd6 | 214 | to Network | Bearer resource modification request | 8.3.10 |
| 0xce | 206 | to Network | Deactivate EPS bearer context accept | 8.3.11 |
| 0xcd | 205 | to UE | Deactivate EPS bearer context request | 8.3.12 |
| 0xd9 | 217 | to UE | ESM information request | 8.3.13 |
| 0xda | 218 | to Network | ESM information response | 8.3.14 |
| 0xe8 | 232 | both | ESM status | 8.3.15 |
| 0xca | 202 | to Network | Modify EPS bearer context accept | 8.3.16 |
| 0xcb | 203 | to Network | Modify EPS bearer context reject | 8.3.17 |
| 0xc9 | 201 | to UE | Modify EPS bearer context request | 8.3.18 |
| 0xdb | 219 | to UE | Notification | 8.3.18A |
| 0xd1 | 209 | to UE | PDN connectivity reject | 8.3.19 |
| 0xd0 | 208 | to Network | PDN connectivity request | 8.3.20 |
| 0xd3 | 211 | to UE | PDN disconnect reject | 8.3.21 |
| 0xd2 | 210 | to Network | PDN disconnect request | 8.3.22 |
| Nb = 23 | ||||
Presence (24.007)
- Mandatory
- Optional
- Conditional
Total length X,Y-Z
- Minimum length with mandatory IEI only
- Minimum length with all IEIs
- Maximum length with all IEIs
EPS mobility management message
8.2.1 Attach accept
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Attach accept message identity | Message type 9.8 | M | V | 1 | |
| EPS attach result | EPS attach result 9.9.3.10 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| T3412 value | GPRS timer 9.9.3.16 | M | V | 1 | |
| TAI list | Tracking area identity list 9.9.3.33 | M | LV | 7-97 | |
| ESM message container | ESM message container 9.9.3.15 | M | LV-E | 5-n | |
| 50 | GUTI | EPS mobile identity 9.9.3.12 | O | TLV | 13 |
| 13 | Location area identification | Location area identification 9.9.2.2 | O | TV | 6 |
| 23 | MS identity | Mobile identity 9.9.2.3 | O | TLV | 7-10 |
| 53 | EMM cause | EMM cause 9.9.3.9 | O | TV | 2 |
| 17 | T3402 value | GPRS timer 9.9.3.16 | O | TV | 2 |
| 59 | T3423 value | GPRS timer 9.9.3.16 | O | TV | 2 |
| 4A | Equivalent PLMNs | PLMN list 9.9.2.8 | O | TLV | 5-47 |
| 34 | Emergency number list | Emergency number list 9.9.3.37 | O | TLV | 5-50 |
| 64 | EPS network feature support | EPS network feature support 9.9.3.12A | O | TLV | 3 |
| F- | Additional update result | Additional update result 9.9.3.0A | O | TV | 1 |
| 5E | T3412 extended value | GPRS timer 3 9.9.3.16B | O | TLV | 3 |
| Nb IEI = 19 | M = 8, O = 11 | 16,65-n | |||
8.2.2 Attach complete
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Attach complete message identity | Message type 9.8 | M | V | 1 | |
| ESM message container | ESM message container 9.9.3.15 | M | LV-E | 5-n | |
| Nb IEI = 4 | M = 4 | 7-n | |||
8.2.3 Attach reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Attach reject message identity | Message type 9.8 | M | V | 1 | |
| EMM cause | EMM cause 9.9.3.9 | M | V | 1 | |
| 78 | ESM message container | ESM message container 9.9.3.15 | O | TLV-E | 6-n |
| 5F | T3346 value | GPRS timer 2 9.9.3.16A | O | TLV | 3 |
| 16 | T3402 value | GPRS timer 2 9.9.3.16A | O | TLV | 3 |
| Nb IEI = 7 | M = 4, O = 3 | 3,15-n | |||
8.2.4 Attach request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Attach request message identity | Message type 9.8 | M | V | 1 | |
| EPS attach type | EPS attach type 9.9.3.11 | M | V | 1/2 | |
| NAS key set identifier | NAS key set identifier 9.9.3.21 | M | V | 1/2 | |
| EPS mobile identity | EPS mobile identity 9.9.3.12 | M | LV | 5-12 | |
| UE network capability | UE network capability 9.9.3.34 | M | LV | 3-14 | |
| ESM message container | ESM message container 9.9.3.15 | M | LV-E | 5-n | |
| 19 | Old P-TMSI signature | P-TMSI signature 9.9.3.26 | O | TV | 4 |
| 50 | Additional GUTI | EPS mobile identity 9.9.3.12 | O | TLV | 13 |
| 52 | Last visited registered TAI | Tracking area identity 9.9.3.32 | O | TV | 6 |
| 5C | DRX parameter | DRX parameter 9.9.3.8 | O | TV | 3 |
| 31 | MS network capability | MS network capability 9.9.3.20 | O | TLV | 4-10 |
| 13 | Old location area identification | Location area identification 9.9.2.2 | O | TV | 6 |
| 9- | TMSI status | TMSI status 9.9.3.31 | O | TV | 1 |
| 11 | Mobile station classmark 2 | Mobile station classmark 2 9.9.2.4 | O | TLV | 5 |
| 20 | Mobile station classmark 3 | Mobile station classmark 3 9.9.2.5 | O | TLV | 2-34 |
| 40 | Supported Codecs | Supported Codec List 9.9.2.10 | O | TLV | 5-n |
| F- | Additional update type | Additional update type 9.9.3.0B | O | TV | 1 |
| 5D | Voice domain preference and UE's usage setting | Voice domain preference and UE's usage setting 9.9.3.44 | O | TLV | 3 |
| D- | Device properties | Device properties 9.9.2.0A | O | TV | 1 |
| E- | Old GUTI type | GUTI type 9.9.3.45 | O | TV | 1 |
| C- | MS network feature support | MS network feature support 9.9.3.20A | O | TV | 1 |
| 10 | TMSI based NRI container | Network resource identifier container 9.9.3.24A | O | TLV | 4 |
| Nb IEI = 24 | M = 8, O = 16 | 16,76-n | |||
8.2.5 Authentication failure
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Authentication failure message type | Message type 9.8 | M | V | 1 | |
| EMM cause | EMM cause 9.9.3.9 | M | V | 1 | |
| 30 | Authentication failure parameter | Authentication failure parameter 9.9.3.1 | O | TLV | 16 |
| Nb IEI = 5 | M = 4, O = 1 | 3,19-19 | |||
8.2.6 Authentication reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Authentication reject message type | Message type 9.8 | M | V | 1 | |
| Nb IEI = 3 | M = 3 | 2 | |||
8.2.7 Authentication request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Authentication request message type | Message type 9.8 | M | V | 1 | |
| NAS key set identifier ASME | NAS key set identifier 9.9.3.21 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| Authentication parameter RAND (EPS challenge) | Authentication parameter RAND 9.9.3.3 | M | V | 16 | |
| Authentication parameter AUTN (EPS challenge) | Authentication parameter AUTN 9.9.3.2 | M | LV | 17 | |
| Nb IEI = 7 | M = 7 | 36 | |||
8.2.8 Authentication response
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Authentication response message type | Message type 9.8 | M | V | 1 | |
| Authentication response parameter | Authentication response parameter 9.9.3.4 | M | LV | 5-17 | |
| Nb IEI = 4 | M = 4 | 7-19 | |||
8.2.9 CS service notification
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| CS service notification message identity | Message type 9.8 | M | V | 1 | |
| Paging identity | Paging identity 9.9.3.25A | M | V | 1 | |
| 60 | CLI | CLI 9.9.3.38 | O | TLV | 3-14 |
| 61 | SS Code | SS Code 9.9.3.39 | O | TV | 2 |
| 62 | LCS indicator | LCS indicator 9.9.3.40 | O | TV | 2 |
| 63 | LCS client identity | LCS client identity 9.9.3.41 | O | TLV | 3-257 |
| Nb IEI = 8 | M = 4, O = 4 | 3,13-278 | |||
8.2.10.1 Detach accept (UE originating detach)
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Detach accept message identity | Message type 9.8 | M | V | 1 | |
| Nb IEI = 3 | M = 3 | 2 | |||
8.2.10.2 Detach accept (UE terminated detach)
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Detach accept message identity | Message type 9.8 | M | V | 1 | |
| Nb IEI = 3 | M = 3 | 2 | |||
8.2.11.1 Detach request (UE originating detach)
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Detach request message identity | Message type 9.8 | M | V | 1 | |
| Detach type | Detach type 9.9.3.7 | M | V | 1/2 | |
| NAS key set identifier | NAS key set identifier 9.9.3.21 | M | V | 1/2 | |
| EPS mobile identity | EPS mobile identity 9.9.3.12 | M | LV | 5-12 | |
| Nb IEI = 6 | M = 6 | 8-15 | |||
8.2.11.2 Detach request (UE terminated detach)
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Detach request message identity | Message type 9.8 | M | V | 1 | |
| Detach type | Detach type 9.9.3.7 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| 53 | EMM cause | EMM cause 9.9.3.9 | O | TV | 2 |
| Nb IEI = 6 | M = 5, O = 1 | 3,5-5 | |||
8.2.12 Downlink NAS Transport
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Downlink NAS transport message identity | Message type 9.8 | M | V | 1 | |
| NAS message container | NAS message container 9.9.3.22 | M | LV | 3-252 | |
| Nb IEI = 4 | M = 4 | 5-254 | |||
8.2.13 EMM information
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| EMM information message identity | Message type 9.8 | M | V | 1 | |
| 43 | Full name for network | Network name 9.9.3.24 | O | TLV | 3-n |
| 45 | Short name for network | Network name 9.9.3.24 | O | TLV | 3-n |
| 46 | Local time zone | Time zone 9.9.3.29 | O | TV | 2 |
| 47 | Universal time and local time zone | Time zone and time 9.9.3.30 | O | TV | 8 |
| 49 | Network daylight saving time | Daylight saving time 9.9.3.6 | O | TLV | 3 |
| Nb IEI = 8 | M = 3, O = 5 | 2,21-n | |||
8.2.14 EMM status
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| EMM status message identity | Message type 9.8 | M | V | 1 | |
| EMM cause | EMM cause 9.9.3.9 | M | V | 1 | |
| Nb IEI = 4 | M = 4 | 3 | |||
8.2.15 Extended service request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Extended service request message identity | Message type 9.8 | M | V | 1 | |
| Service type | Service type 9.9.3.27 | M | V | 1/2 | |
| NAS key set identifier | NAS key set identifier 9.9.3.21 | M | V | 1/2 | |
| M-TMSI | Mobile identity 9.9.2.3 | M | LV | 6 | |
| B- | CSFB response | CSFB response 9.9.3.5 | C | TV | 1 |
| 57 | EPS bearer context status | EPS bearer context status 9.9.2.1 | O | TLV | 4 |
| D- | Device properties | Device properties 9.9.2.0A | O | TV | 1 |
| Nb IEI = 9 | M = 6, C = 1, O = 2 | 9,15-15 | |||
8.2.16 GUTI reallocation command
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| GUTI reallocation command message identity | Message type 9.8 | M | V | 1 | |
| GUTI | EPS mobile identity 9.9.3.12 | M | LV | 12 | |
| 54 | TAI list | Tracking area identity list 9.9.3.33 | O | TLV | 8-98 |
| Nb IEI = 5 | M = 4, O = 1 | 14,22-112 | |||
8.2.17 GUTI reallocation complete
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| GUTI reallocation complete message identity | Message type 9.8 | M | V | 1 | |
| Nb IEI = 3 | M = 3 | 2 | |||
8.2.18 Identity request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Identity request message identity | Message type 9.8 | M | V | 1 | |
| Identity type | Identity type 2 9.9.3.17 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| Nb IEI = 5 | M = 5 | 3 | |||
8.2.19 Identity response
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Identity response message | Message type 9.8 | M | V | 1 | |
| Mobile identity | Mobile identity 9.9.2.3 | M | LV | 4-10 | |
| Nb IEI = 4 | M = 4 | 6-12 | |||
8.2.20 Security mode command
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Security mode command message identity | Message type 9.8 | M | V | 1 | |
| Selected NAS security algorithms | NAS security algorithms 9.9.3.23 | M | V | 1 | |
| NAS key set identifier | NAS key set identifier 9.9.3.21 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| Replayed UE security capabilities | UE security capability 9.9.3.36 | M | LV | 3-6 | |
| C- | IMEISV request | IMEISV request 9.9.3.18 | O | TV | 1 |
| 55 | Replayed nonce UE | Nonce 9.9.3.25 | O | TV | 5 |
| 56 | Nonce MME | Nonce 9.9.3.25 | O | TV | 5 |
| Nb IEI = 10 | M = 7, O = 3 | 7,18-21 | |||
8.2.21 Security mode complete
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Security mode complete message identity | Message type 9.8 | M | V | 1 | |
| 23 | IMEISV | Mobile identity 9.9.2.3 | O | TLV | 11 |
| Nb IEI = 4 | M = 3, O = 1 | 2,13-13 | |||
8.2.22 Security mode reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Security mode reject message identity | Message type 9.8 | M | V | 1 | |
| EMM cause | EMM cause 9.9.3.9 | M | V | 1 | |
| Nb IEI = 4 | M = 4 | 3 | |||
8.2.23 Security protected NAS message
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Message authentication code | Message authentication code 9.5 | M | V | 4 | |
| Sequence number | Sequence number 9.6 | M | V | 1 | |
| NAS message | NAS message 9.7 | M | V | 1-n | |
| Nb IEI = 5 | M = 5 | 7-n | |||
8.2.24 Service reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Service reject message identity | Message type 9.8 | M | V | 1 | |
| EMM cause | EMM cause 9.9.3.9 | M | V | 1 | |
| 5B | T3442 value | GPRS timer 9.9.3.16 | C | TV | 2 |
| 5F | T3346 value | GPRS timer 2 9.9.3.16A | O | TLV | 3 |
| Nb IEI = 6 | M = 4, C = 1, O = 1 | 3,8-8 | |||
8.2.25 Service request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| KSI and sequence number | KSI and sequence number 9.9.3.19 | M | V | 1 | |
| Message authentication code (short) | Short MAC 9.9.3.28 | M | V | 2 | |
| Nb IEI = 4 | M = 4 | 4 | |||
8.2.26 Tracking area update accept
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Tracking area update accept message identity | Message type 9.8 | M | V | 1 | |
| EPS update result | EPS update result 9.9.3.13 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| 5A | T3412 value | GPRS timer 9.9.3.16 | O | TV | 2 |
| 50 | GUTI | EPS mobile identity 9.9.3.12 | O | TLV | 13 |
| 54 | TAI list | Tracking area identity list 9.9.3.33 | O | TLV | 8-98 |
| 57 | EPS bearer context status | EPS bearer context status 9.9.2.1 | O | TLV | 4 |
| 13 | Location area identification | Location area identification 9.9.2.2 | O | TV | 6 |
| 23 | MS identity | Mobile identity 9.9.2.3 | O | TLV | 7-10 |
| 53 | EMM cause | EMM cause 9.9.3.9 | O | TV | 2 |
| 17 | T3402 value | GPRS timer 9.9.3.16 | O | TV | 2 |
| 59 | T3423 value | GPRS timer 9.9.3.16 | O | TV | 2 |
| 4A | Equivalent PLMNs | PLMN list 9.9.2.8 | O | TLV | 5-47 |
| 34 | Emergency number list | Emergency number list 9.9.3.37 | O | TLV | 5-50 |
| 64 | EPS network feature support | EPS network feature support 9.9.3.12A | O | TLV | 3 |
| F- | Additional update result | Additional update result 9.9.3.0A | O | TV | 1 |
| 5E | T3412 extended value | GPRS timer 3 9.9.3.16B | O | TLV | 3 |
| Nb IEI = 19 | M = 5, O = 14 | 3,66-246 | |||
8.2.27 Tracking area update complete
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Tracking area update complete message identity | Message type 9.8 | M | V | 1 | |
| Nb IEI = 3 | M = 3 | 2 | |||
8.2.28 Tracking area update reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| message identity | Message type 9.8 | M | V | 1 | |
| EMM cause | EMM cause 9.9.3.9 | M | V | 1 | |
| 5F | T3346 value | GPRS timer 2 9.9.3.16A | O | TLV | 3 |
| Nb IEI = 5 | M = 4, O = 1 | 3,6-6 | |||
8.2.29 Tracking area update request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Tracking area update request message identity | Message type 9.8 | M | V | 1 | |
| EPS update type | EPS update type 9.9.3.14 | M | V | 1/2 | |
| NAS key set identifier | NAS key set identifier 9.9.3.21 | M | V | 1/2 | |
| Old GUTI | EPS mobile identity 9.9.3.12 | M | LV | 12 | |
| B- | Non-current native NAS key set identifier | NAS key set identifier 9.9.3.21 | O | TV | 1 |
| 8- | GPRS ciphering key sequence number | Ciphering key sequence number 9.9.3.4a | O | TV | 1 |
| 19 | Old P-TMSI signature | P-TMSI signature 9.9.3.26 | O | TV | 4 |
| 50 | Additional GUTI | EPS mobile identity 9.9.3.12 | O | TLV | 13 |
| 55 | NonceUE | Nonce 9.9.3.25 | O | TV | 5 |
| 58 | UE network capability | UE network capability 9.9.3.34 | O | TLV | 4-15 |
| 52 | Last visited registered TAI | Tracking area identity 9.9.3.32 | O | TV | 6 |
| 5C | DRX parameter | DRX parameter 9.9.3.8 | O | TV | 3 |
| A- | UE radio capability information update needed | UE radio capability information update needed 9.9.3.35 | O | TV | 1 |
| 57 | EPS bearer context status | EPS bearer context status 9.9.2.1 | O | TLV | 4 |
| 31 | MS network capability | MS network capability 9.9.3.20 | O | TLV | 4-10 |
| 13 | Old location area identification | Location area identification 9.9.2.2 | O | TV | 6 |
| 9- | TMSI status | TMSI status 9.9.3.31 | O | TV | 1 |
| 11 | Mobile station classmark 2 | Mobile station classmark 2 9.9.2.4 | O | TLV | 5 |
| 20 | Mobile station classmark 3 | Mobile station classmark 3 9.9.2.5 | O | TLV | 2-34 |
| 40 | Supported Codecs | Supported Codec List 9.9.2.10 | O | TLV | 5-n |
| F- | Additional update type | Additional update type 9.9.3.0B | O | TV | 1 |
| 5D | Voice domain preference and UE's usage setting | Voice domain preference and UE's usage setting 9.9.3.44 | O | TLV | 3 |
| E- | Old GUTI type | GUTI type 9.9.3.45 | O | TV | 1 |
| D- | Device properties | Device properties 9.9.2.0A | O | TV | 1 |
| C- | MS network feature support | MS network feature support 9.9.3.20A | O | TV | 1 |
| 10 | TMSI based NRI container | Network resource identifier container 9.9.3.24A | O | TLV | 4 |
| Nb IEI = 28 | M = 6, O = 22 | 15,91-n | |||
8.2.30 Uplink NAS Transport
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Uplink NAS transport message identity | Message type 9.8 | M | V | 1 | |
| NAS message container | NAS message container 9.9.3.22 | M | LV | 3-252 | |
| Nb IEI = 4 | M = 4 | 5-254 | |||
8.2.31 Downlink generic NAS transport
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Downlink generic NAS transport message identity | Message type 9.8 | M | V | 1 | |
| Generic message container type | Generic message container type 9.9.3.42 | M | V | 1 | |
| Generic message container | Generic message container 9.9.3.43 | M | LV-E | 3-n | |
| 65 | Additional information | Additional information 9.9.2.0 | O | TLV | 3-n |
| Nb IEI = 6 | M = 5, O = 1 | 6,9-n | |||
8.2.32 Uplink generic NAS transport
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| Security header type | Security header type 9.3.1 | M | V | 1/2 | |
| Uplink generic NAS transport message identity | Message type 9.8 | M | V | 1 | |
| Generic message container type | Generic message container type 9.9.3.42 | M | V | 1 | |
| Generic message container | Generic message container 9.9.3.43 | M | LV-E | 3-n | |
| 65 | Additional information | Additional information 9.9.2.0 | O | TLV | 3-n |
| Nb IEI = 6 | M = 5, O = 1 | 6,9-n | |||
EPS session management message
8.3.1 Activate dedicated EPS bearer context accept
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Activate dedicated EPS bearer context accept message identity | Message type 9.8 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 5 | M = 4, O = 1 | 3,6-256 | |||
8.3.2 Activate dedicated EPS bearer context reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Activate dedicated EPS bearer context reject message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 6 | M = 5, O = 1 | 4,7-257 | |||
8.3.3 Activate dedicated EPS bearer context request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Activate dedicated EPS bearer context request message identity | Message type 9.8 | M | V | 1 | |
| Linked EPS bearer identity | Linked EPS bearer identity 9.9.4.6 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| EPS QoS | EPS quality of service 9.9.4.3 | M | LV | 2-14 | |
| TFT | Traffic flow template 9.9.4.16 | M | LV | 2-256 | |
| 5D | Transaction identifier | Transaction identifier 9.9.4.17 | O | TLV | 3-4 |
| 30 | Negotiated QoS | Quality of service 9.9.4.12 | O | TLV | 14-22 |
| 32 | Negotiated LLC SAPI | LLC service access point identifier 9.9.4.7 | O | TV | 2 |
| 8- | Radio priority | Radio priority 9.9.4.13 | O | TV | 1 |
| 34 | Packet flow Identifier | Packet flow Identifier 9.9.4.8 | O | TLV | 3 |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 14 | M = 8, O = 6 | 8,34-559 | |||
8.3.4 Activate default EPS bearer context accept
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Activate default EPS bearer context accept message identity | Message type 9.8 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 5 | M = 4, O = 1 | 3,6-256 | |||
8.3.5 Activate default EPS bearer context reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Activate default EPS bearer context reject message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 6 | M = 5, O = 1 | 4,7-257 | |||
8.3.6 Activate default EPS bearer context request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Activate default EPS bearer context request message identity | Message type 9.8 | M | V | 1 | |
| EPS QoS | EPS quality of service 9.9.4.3 | M | LV | 2-14 | |
| Access point name | Access point name 9.9.4.1 | M | LV | 2-101 | |
| PDN address | PDN address 9.9.4.9 | M | LV | 6-14 | |
| 5D | Transaction identifier | Transaction identifier 9.9.4.17 | O | TLV | 3-4 |
| 30 | Negotiated QoS | Quality of service 9.9.4.12 | O | TLV | 14-22 |
| 32 | Negotiated LLC SAPI | LLC service access point identifier 9.9.4.7 | O | TV | 2 |
| 8- | Radio priority | Radio priority 9.9.4.13 | O | TV | 1 |
| 34 | Packet flow Identifier | Packet flow Identifier 9.9.4.8 | O | TLV | 3 |
| 5E | APN-AMBR | APN aggregate maximum bit rate 9.9.4.2 | O | TLV | 4-8 |
| 58 | ESM cause | ESM cause 9.9.4.4 | O | TV | 2 |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| B- | Connectivity type | Connectivity type 9.9.4.2A | O | TV | 1 |
| Nb IEI = 16 | M = 7, O = 9 | 13,46-428 | |||
8.3.7 Bearer resource allocation reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Bearer resource allocation reject message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| 37 | T3396 value | GPRS timer 3 9.9.3.16B | O | TLV | 3 |
| Nb IEI = 7 | M = 5, O = 2 | 4,10-260 | |||
8.3.8 Bearer resource allocation request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Bearer resource allocation request message identity | Message type 9.8 | M | V | 1 | |
| Linked EPS bearer identity | Linked EPS bearer identity 9.9.4.6 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| Traffic flow aggregate | Traffic flow aggregate description 9.9.4.15 | M | LV | 2-256 | |
| Required traffic flow QoS | EPS quality of service 9.9.4.3 | M | LV | 2-14 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| C- | Device properties | Device properties 9.9.2.0A | O | TV | 1 |
| Nb IEI = 10 | M = 8, O = 2 | 8,12-528 | |||
8.3.9 Bearer resource modification reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Bearer resource modification reject message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| 37 | T3396 value | GPRS timer 3 9.9.3.16B | O | TLV | 3 |
| Nb IEI = 7 | M = 5, O = 2 | 4,10-260 | |||
8.3.10 Bearer resource modification request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Bearer resource modification request message identity | Message type 9.8 | M | V | 1 | |
| EPS bearer identity for packet filter | Linked EPS bearer identity 9.9.4.6 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| Traffic flow aggregate | Traffic flow aggregate description 9.9.4.15 | M | LV | 2-256 | |
| 5B | Required traffic flow QoS | EPS quality of service 9.9.4.3 | O | TLV | 3-15 |
| 58 | ESM cause | ESM cause 9.9.4.4 | O | TV | 2 |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| C- | Device properties | Device properties 9.9.2.0A | O | TV | 1 |
| Nb IEI = 11 | M = 7, O = 4 | 6,15-531 | |||
8.3.11 Deactivate EPS bearer context accept
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Deactivate EPS bearer context accept message identity | Message type 9.8 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 5 | M = 4, O = 1 | 3,6-256 | |||
8.3.12 Deactivate EPS bearer context request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Deactivate EPS bearer context request message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| 37 | T3396 value | GPRS timer 3 9.9.3.16B | O | TLV | 3 |
| Nb IEI = 7 | M = 5, O = 2 | 4,10-260 | |||
8.3.13 ESM information request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| ESM information request message identity | Message type 9.8 | M | V | 1 | |
| Nb IEI = 4 | M = 4 | 3 | |||
8.3.14 ESM information response
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| ESM information response message identity | Message type 9.8 | M | V | 1 | |
| 28 | Access point name | Access point name 9.9.4.1 | O | TLV | 3-102 |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 6 | M = 4, O = 2 | 3,9-358 | |||
8.3.15 ESM status
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| ESM status message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| Nb IEI = 5 | M = 5 | 4 | |||
8.3.16 Modify EPS bearer context accept
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Modify EPS bearer context accept message identity | Message type 9.8 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 5 | M = 4, O = 1 | 3,6-256 | |||
8.3.17 Modify EPS bearer context reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Modify EPS bearer context reject message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 6 | M = 5, O = 1 | 4,7-257 | |||
8.3.18 Modify EPS bearer context request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Modify EPS bearer context request message identity | Message type 9.8 | M | V | 1 | |
| 5B | New EPS QoS | EPS quality of service 9.9.4.3 | O | TLV | 3-15 |
| 36 | TFT | Traffic flow template 9.9.4.16 | O | TLV | 3-257 |
| 30 | New QoS | Quality of service 9.9.4.12 | O | TLV | 14-22 |
| 32 | Negotiated LLC SAPI | LLC service access point identifier 9.9.4.7 | O | TV | 2 |
| 8- | Radio priority | Radio priority 9.9.4.13 | O | TV | 1 |
| 34 | Packet flow Identifier | Packet flow Identifier 9.9.4.8 | O | TLV | 3 |
| 5E | APN-AMBR | APN aggregate maximum bit rate 9.9.4.2 | O | TLV | 4-8 |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 12 | M = 4, O = 8 | 3,36-564 | |||
8.3.18A Notification
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| Notification message identity | Message type 9.8 | M | V | 1 | |
| Notification indicator | Notification indicator 9.9.4.7A | M | LV | 2 | |
| Nb IEI = 5 | M = 5 | 5 | |||
8.3.19 PDN connectivity reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| PDN connectivity reject message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| 37 | T3396 value | GPRS timer 3 9.9.3.16B | O | TLV | 3 |
| Nb IEI = 7 | M = 5, O = 2 | 4,10-260 | |||
8.3.20 PDN connectivity request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| PDN connectivity request message identity | Message type 9.8 | M | V | 1 | |
| Request type | Request type 9.9.4.14 | M | V | 1/2 | |
| PDN type | PDN type 9.9.4.10 | M | V | 1/2 | |
| D- | ESM information transfer flag | ESM information transfer flag 9.9.4.5 | O | TV | 1 |
| 28 | Access point name | Access point name 9.9.4.1 | O | TLV | 3-102 |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| C- | Device properties | Device properties 9.9.2.0A | O | TV | 1 |
| Nb IEI = 10 | M = 6, O = 4 | 4,12-361 | |||
8.3.21 PDN disconnect reject
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| PDN disconnect reject message identity | Message type 9.8 | M | V | 1 | |
| ESM cause | ESM cause 9.9.4.4 | M | V | 1 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 6 | M = 5, O = 1 | 4,7-257 | |||
8.3.22 PDN disconnect request
| IEI | Information Element | Type/Reference | Presence | Format | Length |
| Protocol discriminator | Protocol discriminator 9.2 | M | V | 1/2 | |
| EPS bearer identity | EPS bearer identity 9.3.2 | M | V | 1/2 | |
| Procedure transaction identity | Procedure transaction identity 9.4 | M | V | 1 | |
| PDN disconnect request message identity | Message type 9.8 | M | V | 1 | |
| Linked EPS bearer identity | Linked EPS bearer identity 9.9.4.6 | M | V | 1/2 | |
| Spare half octet | Spare half octet 9.9.2.9 | M | V | 1/2 | |
| 27 | Protocol configuration options | Protocol configuration options 9.9.4.11 | O | TLV | 3-253 |
| Nb IEI = 7 | M = 6, O = 1 | 4,7-257 | |||
Ref. http://niviuk.free.fr/lte_nas.php
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