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This RPC converts Result-Code from Diameter Base Protocol into gRPC status codes

• rpc AuthenticationInformation (AuthenticationInformationRequest, AuthenticationInformationAnswer)

  s6a.proto:11

  Authentication-Information (Code 318)

  message AuthenticationInformationRequest

  s6a.proto:59

  Authentication Information Request (Section 7.2.5)

  • string user_name = 1

    Subscriber identifier

  • bytes visited_plmn = 2

    Visted site identifier

  • uint32 num_requested_eutran_vectors = 3

    Number of vectors to request in response

  • bool immediate_response_preferred = 4

    Indicates to the HSS the values are requested for immediate attach

  • bytes resync_info = 5

    Concatenation of RAND and AUTS in the case of a resync attach case

  message AuthenticationInformationAnswer

  s6a.proto:74

  Authentication Information Answer (Section 7.2.6)

  • ErrorCode error_code = 1

    EPC error code on failure

  • repeated AuthenticationInformationAnswer.EUTRANVector eutran_vectors = 2

    Authentication vectors matching the requested number

• rpc UpdateLocation (UpdateLocationRequest, UpdateLocationAnswer)

  s6a.proto:14

  Update-Location (Code 316)

  message UpdateLocationRequest

  s6a.proto:90

  Update Location Request (Section 7.2.3)

  • string user_name = 1

    Subscriber identifier

  • bytes visited_plmn = 2

    Visited site identifier

  • bool skip_subscriber_data = 3

    Selective unrolling of ULR-Flags 29.272 Table 7.3.7/1 Skip subscription data in response

    bit 2

  • bool initial_attach = 4

    Send Cancel Location to other EPCs serving the UE

    bit 5

  message UpdateLocationAnswer

  s6a.proto:104

  Update Location Answer (Section 7.2.4)

  • ErrorCode error_code = 1

    EPC error code on failure

  • uint32 default_context_id = 2

    Identifier of the default APN

  • optional UpdateLocationAnswer.AggregatedMaximumBitrate total_ambr = 3

    Subscriber authorized aggregate bitrate

  • bool all_apns_included = 4

    Indicates to wipe other stored APNs

  • repeated UpdateLocationAnswer.APNConfiguration apn = 5

    APN configurations

• rpc CancelLocation (CancelLocationRequest, CancelLocationAnswer)

  s6a.proto:17

  Cancel-Location (Code 317)

  message CancelLocationRequest

  s6a.proto:144

  Cancel Location Request (Section 7.2.7)

  • string user_name = 1

    Subscriber identifier

  • CancelLocationRequest.CancellationType cancellation_type = 2

    Type of cancellation 7.3.24

  message CancelLocationAnswer

  s6a.proto:159

  Cancel Location Answer (Section 7.2.8)

  • ErrorCode error_code = 1

    EPC error code on failure

• rpc PurgeUE (PurgeUERequest, PurgeUEAnswer)

  s6a.proto:20

  Purge-UE (Code 321)

  message PurgeUERequest

  s6a.proto:165

  Purge UE Request (Section 7.2.14)

  • string user_name = 1

    Subscriber identifier

  message PurgeUEAnswer

  s6a.proto:171

  Purge UE Answer (Section 7.2.15)

  • ErrorCode error_code = 1

    EPC error code on failure

• rpc Reset (ResetRequest, ResetAnswer)

  s6a.proto:23

  Reset (Code 322)

  message ResetRequest

  s6a.proto:177

  Reset Request (3GPP TS 29.272 Section 7.2.15)

  • repeated string user_id = 1

    Subscriber identifier

  message ResetAnswer

  s6a.proto:183

  Reset Answer (3GPP TS 29.272 Section 7.2.16)

  • ErrorCode error_code = 1

    EPC error code on failure

For details about fields read 3GPP 33.401

Used in: AuthenticationInformationAnswer

• bytes rand = 1

• bytes xres = 2

• bytes autn = 3

• bytes kasme = 4

Used in: CancelLocationRequest

• MME_UPDATE_PROCEDURE = 0

• SGSN_UPDATE_PROCEDURE = 1

• SUBSCRIPTION_WITHDRAWAL = 2

• UPDATE_PROCEDURE_IWF = 3

• INITIAL_ATTACH_PROCEDURE = 4

ErrorCode reflects Experimental-Result values which are 3GPP failures to be processed by EPC. Diameter Base Protocol errors are reflected in gRPC status code

Used in: AuthenticationInformationAnswer, CancelLocationAnswer, PurgeUEAnswer, ResetAnswer, UpdateLocationAnswer

• UNDEFINED = 0

• MULTI_ROUND_AUTH = 1001

  Default success code

• SUCCESS = 2001

• LIMITED_SUCCESS = 2002

• COMMAND_UNSUPORTED = 3001

• UNABLE_TO_DELIVER = 3002

• REALM_NOT_SERVED = 3003

• TOO_BUSY = 3004

• LOOP_DETECTED = 3005

• REDIRECT_INDICATION = 3006

• APPLICATION_UNSUPPORTED = 3007

• INVALIDH_DR_BITS = 3008

• INVALID_AVP_BITS = 3009

• UNKNOWN_PEER = 3010

• AUTHENTICATION_REJECTED = 4001

• OUT_OF_SPACE = 4002

• ELECTION_LOST = 4003

• USER_UNKNOWN = 5001

  Permanent Failures 7.4.3

• UNKNOWN_EPS_SUBSCRIPTION = 5420

• RAT_NOT_ALLOWED = 5421

• ROAMING_NOT_ALLOWED = 5004

• EQUIPMENT_UNKNOWN = 5422

• UNKOWN_SERVING_NODE = 5423

• AUTHENTICATION_DATA_UNAVAILABLE = 4181

  Transient Failures 7.4.4

Used in: UpdateLocationAnswer

• uint32 context_id = 1

  APN identifier

• string service_selection = 2

  Contains either the APN Name or wildcard "*"

• optional APNConfiguration.QoSProfile qos_profile = 3

  APN QoS profile

• optional AggregatedMaximumBitrate ambr = 4

  APN authorized bitrate

For details about values see 29.212

Used in: APNConfiguration

• int32 class_id = 1

• uint32 priority_level = 2

• bool preemption_capability = 3

• bool preemption_vulnerability = 4

Used in: UpdateLocationAnswer, APNConfiguration

• uint32 max_bandwidth_ul = 1

  Maximum uplink bitrate

• uint32 max_bandwidth_dl = 2

  Maximum downlink bitrate