U – S

Message/PDU/SDU

–

EXCEPTION: Unless otherwise stated all the messages below are transmitted on the cell specified in the test case.

–

–

–

–

1

Check: Does the UE transmits an RRCSetupRequest message with ‘establishmentCause’ set to ’emergency’?

–>

NR RRC: RRCSetupRequest

–

P

2

The SS transmits an RRCSetup message.

<–

NR RRC: RRCSetup

–

–

3

Check: Does the UE transmits an RRCSetupComplete message and a REGISTRATION REQUEST message with ‘Service type’ set to ’emergency services’?

–>

NR RRC: RRCSetupComplete

5GMM: REGISTRATION REQUEST

–

P

4

The SS transmits a DLInformationTransfer message and a SECURITY MODE COMMAND message with ‘Selected NAS security algorithms’ set to "null integrity protection algorithm" (5G-IA0), "null ciphering algorithm" (5G-EA0).

<–

NR RRC: DLInformationTransfer

5GMM: SECURITY MODE COMMAND

–

–

5

The UE transmits an ULInformationTransfer message and a SECURITY MODE COMPLETE message.

–>

NR RRC: ULInformationTransfer

5GMM: SECURITY MODE COMPLETE

–

P

6

The SS transmits a SecurityModeCommand message with cipheringAlgorithm set to ‘NULL‘ ciphering algorithm (nea0) and integrityProtAlgorithm set to ‘NULL‘ integrity protection algorithm (nia0).

<–

NR RRC: SecurityModeCommand

–

–

7

The UE transmits a SecurityModeComplete message.

–>

NR RRC: SecurityModeComplete

–

P

8

The SS transmits a UECapabilityEnquiry message.

<–

NR RRC: UECapabilityEnquiry

–

–

9

The UE transmits a UECapabilityInformation message.

–>

NR RRC: UECapabilityInformation

–

–

10

The SS transmits a DLInformationTransfer message and a REGISTRATION ACCEPT message.

<–

NR RRC: DLInformationTransfer

5GMM: REGISTRATION ACCEPT

–

–

11

The UE transmits an ULInformationTransfer message and a REGISTRATION COMPLETE message.

–>

NR RRC: ULInformationTransfer

5GMM: REGISTRATION COMPLETE

–

–

12

Void

–

–

–

–

13

Check: Does the UE transmits an UL NAS TRANSPORT message with ‘Request type’ set to ‘initial emergency request’, and, a PDU SESSION ESTABLISHMENT REQUEST?

–>

NR RRC: ULInformationTransfer

5GMM: UL NAS TRANSPORT

5GSM: PDU SESSION ESTABLISHMENT REQUEST

–

P

–

EXCEPTION: In parallel to the events described in steps 14-15 below the events specified in steps 1a1 of Table 4.9.12.2.2-2 take place.

–

–

–

–

14

The SS transmits an RRCReconfiguration message and an PDU SESSION ESTABLISHMENT ACCEPT to establish SRB2 and DRB.

<–

NR RRC: RRCReconfiguration

5GMM: DL NAS TRANSPORT

5GSM: PDU SESSION ESTABLISHMENT ACCEPT

–

–

15

The UE transmits an RRCReconfigurationComplete message.

–>

NR RRC: RRCReconfigurationComplete

–

–

–

EXCEPTION: In parallel to the events described in steps 16-18 below the events specified in steps 2 of Table 4.9.12.2.2-2 take place.

–

–

–

–

16

The SS transmits an RRCReconfiguration message and an PDU SESSION MODIFICATION COMMAND.

<–

NR RRC: RRCReconfiguration

5GMM: DL NAS TRANSPORT

5GSM: PDU SESSION MODIFICATION COMMAND

–

–

–

EXCEPTION: Depending upon UE implementation, steps 17 and 18 can occur in any order.

–

–

–

–

17

The UE transmits an RRCReconfigurationComplete message.

–>

NR RRC: RRCReconfigurationComplete

–

–

18

Check: Does the UE transmits an ULInformationTransfer message and an PDU SESSION MODIFICATION COMPLETE message?

–>

NR RRC: ULInformationTransfer

5GMM: UL NAS TRANSPORT

5GSM: PDU SESSION MODIFICATION COMPLETE

–

P

U – S

Message/PDU/SDU

–

EXCEPTION: Step 1a1 describes behaviour depending UE implementation; the "lower case letter" identifies a step sequence that take place if the UE performs a specific action.

–

–

–

–

1a1

The generic procedure for IP address allocation in the user plane specified in subclause 4.5A.3 takes place.

–

–

–

–

2

Generic test procedure for setting up IMS Emergency Voice Call as defined in TS 34.229-5 [47] annex A.6 is performed.

–

–

–

–

Information Element

Value/remark

Comment

Condition

SIB1 ::= SEQUENCE {

ims-EmergencySupport

Present

true

}

Information Element

Value/remark

Comment

Condition

RRCSetupRequest ::= SEQUENCE {

rrcSetupRequest SEQUENCE {

establishmentCause

emergency

}

}

Information Element

Value/remark

Comment

Condition

Selected NAS security algorithms

Type of ciphering algorithm

5G-EA0

null ciphering algorithm

Type of integrity protection algorithm

5G-IA0

null integrity protection algorithm

ngKSI

NAS key set identifier

‘000’B

Information Element

Value/remark

Comment

Condition

SecurityModeCommand ::= SEQUENCE {

criticalExtensions CHOICE {

securityModeCommand SEQUENCE {

securityConfigSMC SEQUENCE {

securityAlgorithmConfig SEQUENCE {

cipheringAlgorithm

nea0

‘NULL‘ ciphering algorithm

integrityProtAlgorithm

nia0

‘NULL‘ integrity protection algorithm

}

}

}

}

}

Information Element

Value/remark

Comment

Condition

Request type

‘011’B

initial emergency request

S-NSSAI

Not Present

DNN

Not Present

Information Element

Value/remark

Comment

Condition

PDU session ID

A value that is not currently being used by another PDU session

PTI

A value currently not used

SSC mode

‘001’B

SSC mode 1

Information Element

Value/remark

Comment

Condition

Selected SSC mode

‘001’B

SSC mode 1

Authorized QoS rules

Reference QoS rule #2 as defined in Table 4.8.2.1-2.

Authorized QoS flow descriptions

Reference QoS flow #2 as defined in Table 4.8.2.3-2.

Information Element

Value/remark

Comment

Condition

PDU session ID

Same value as sent in PDU SESSION ESTABLISHMENT REQUEST message.

Authorized QoS rules

Reference QoS rule #7 as defined in Table 4.8.2.1-7 using condition IMS_VOICE.

Authorized QoS flow descriptions

Reference QoS flow #5 as defined in Table 4.8.2.3-5.