4.7.2 Contents of 5GSM messages

38.508-13GPP5GSPart 1: Common test environmentRelease 17TSUser Equipment (UE) conformance specification

– PDU session establishment request

Table 4.7.2-1: PDU SESSION ESTABLISHMENT REQUEST

Derivation Path: 24.501 clause 8.3.1

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Any value according to TS 24.501 [25] subclause 9.4

PTI

Any value from 1 to 254

PDU SESSION ESTABLISHMENT REQUEST message identity

‘1100 0001’B

Integrity protection maximum data rate

Present but contents not checked

PDU session type

Any value between ‘001’B, ‘010’B, ‘011’B and ‘101’B

The allowed values are respectively IPv4, IPv6, IPv4v6 and Ethernet (EtherType as defined in IEEE 802.3)

SSC mode

If present: contents not checked

5GSM capability

If present: contents not checked

Maximum number of supported packet filters

If present: contents not checked

Always-on PDU session requested

If present: contents not checked

Always-on PDU session requested

SST_URLLC

APSR

‘1’B

Always-on PDU session requested

SM PDU DN request container

If present: contents not checked

Extended protocol configuration options

If present: contents not checked

The SS shall remember if this IE is present and its contents because this affects subsequent SS behaviour, e.g. coding of PDU SESSION ESTABLISHMENT ACCEPT.

Extended protocol configuration options

Present including at least the following container

DATA_OFF

Container ID n

‘0017’H

3GPP PS data off UE status

Length of container ID n contents

1 octet

Container ID n contents

‘01’H

‘deactivated’

IP header compression configuration

If present: contents not checked

DS-TT Ethernet port MAC address

If present: contents not checked

UE-DS-TT residence time

If present: contents not checked

Port management information container

If present: contents not checked

Ethernet header compression configuration

If present: contents not checked

Suggested interface identifier

If present: contents not checked

Service-level-AA container

If present: contents not checked

Requested MBS container

If present: contents not checked

PDU session pair ID

If present: contents not checked

RSN

If present: contents not checked

Condition

Explanation

DATA_OFF

If the UE supports 3GPP PS data off as specified in TS 38.508-2 [10], Table A.4.3.7-1/xx

– PDU session establishment accept

Table 4.7.2-2: PDU SESSION ESTABLISHMENT ACCEPT

Derivation Path: 24.501 clause 8.3.2

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The same value as the value set in PDU SESSION ESTABLISHMENT REQUEST message

PTI

The same value as the value set in PDU SESSION ESTABLISHMENT REQUEST message

PDU SESSION ESTABLISHMENT ACCEPT message identity

‘1100 0010’B

Selected PDU session type

‘001’B

IPv4

‘010’B

IPv6

‘011’B

IPv4v6

‘101’B

Ethernet

Selected SSC mode

‘001’B

SSC mode 1

Authorized QoS rules

5GC QoS rule of the entry in Table 4.8.4-1 which has been determined by the DNN IE in the UL NAS TRANSPORT message which carried the corresponding PDU SESSION ESTABLISHMENT REQUEST or by pc_APN_Default_Configuration if the DNN IE was not present

Session AMBR

Unit for Session-AMBR for downlink

‘000 00101’

Value is incremented in multiples of 256 Kbps

Session-AMBR for downlink

‘0000 0000 0000 0100’B

1024 Kbps

Unit for Session-AMBR for uplink

‘000 00101’

Value is incremented in multiples of 256 Kbps

Session-AMBR for uplink

‘0000 0000 0000 0100’B

1024 Kbps

5GSM cause

Not Present

PDU address

IPv4

Length of PDU address contents

5 octets

PDU type value

‘001’B

IPv4

PDU address information

IPv4 address

The SS provides a valid IPv4 address

NOT IPv4-DHCP

0.0.0.0

DHCPv4 is to be used to allocate the IPv4 address

IPv4-DHCP

PDU address

IPv6

Length of PDU address contents

9 octets

PDU type value

‘010’B

IPv6

PDU address information

IPv6 interface identifier

The SS provides a valid IPv6 interface identifier

PDU address

IPv4v6

Length of PDU address contents

13 octets

PDU type value

‘011’B

IPv4v6

PDU address information (Octets 4 to 11)

IPv6 interface identifier

The SS provides a valid IPv6 interface identifier

PDU address information (Octets 12 to 15)

IPv4 address

The SS provides a valid IPv4 address

NOT IPv4-DHCP

0.0.0.0

DHCPv4 is to be used to allocate the IPv4 address

IPv4-DHCP

RQ timer value

Not Present

S-NSSAI

Length of S-NSSAI contents

‘0000 0001’B

SST

SST

‘0000 0001’B

SST value 1 (eMBB)

SST_eMBB

SST

‘0000 0010’B

SST value 2 (URLLC)

SST_URLLC

SST

‘0000 0011’B

SST value 3 (MIoT)

SST_MIoT

SST

‘0000 0100’B

SST value 4 (V2X)

SST_V2X

Always-on PDU session indication

Not Present

Always-on PDU session indication

APSI

‘0’B

Always-on PDU session not allowed

Always_On_Requested

APSI

‘1’B

Always-on PDU session required

Always_On_Requested AND SST_URLLC

Mapped EPS bearer contexts

Not Present

Mapped EPS bearer contexts

Interworking_with_EPS

Mapped EPS bearer context

EPS bearer identity

The same value as the one specified in the Reference QoS flow referred to from the Reference QoS rule indicated in the IE Authorized QoS rules

Operation code

‘001’B

Create new EPS bearer

E bit

‘1’B

Parameters list is included

Number of EPS parameters

’0001’B

1 parameter

Mapped EPS QoS parameters

EPC default bearer context of the entry in Table 4.8.4-1 which has been determined by the DNN IE in the UL NAS TRANSPORT message which carried the corresponding PDU SESSION ESTABLISHMENT REQUEST or by pc_APN_Default_Configuration if the DNN IE was not present

EAP message

Not Present

Authorized QoS flow descriptions

The QoS flow referred to in the relevant Authorized QoS rules IE

Extended protocol configuration options

Not Present

Extended protocol configuration options

P-CSCF_IPv6 OR P-CSCF_IPv4

Container ID 1

‘0001’H

P-CSCF_IPv6

Length of container ID 1 contents

Length value determined by testimplementation

Container ID 1 contents

IPv6 address

P-CSCF IPv6 Address

Container ID 2

‘000C’H

P-CSCF_IPv4

Length of container ID 2 contents

Length value determined by test implementation

Container ID 2 contents

IPv4 address

P-CSCF IPv4 Address

Container ID 3

‘0001’H

Additional_P-CSCF_IPv6

Length of container ID 3 contents

Length value determined by testimplementation

Container ID 3 contents

IPv6 address

Additional P-CSCF IPv6 Address

Container ID 4

‘000C’H

Additional_P-CSCF_IPv4

Length of container ID 4 contents

Length value determined by test implementation

Container ID 4 contents

IPv4 address

Additional P-CSCF IPv4 Address

Container ID n

‘0003’H

n assigned to next available number

DNS IPv6

Length of container ID n contents

Length value determined by the TTCN implementation

Container ID n contents

IPv6 address

DNS IPv6 address

Container ID n+1

‘000D’H

n assigned to next available number

DNS IPv4

Length of container ID n contents

Length value determined by the TTCN implementation

Container ID n contents

IPv4 address

DNS IPv4 address

DNN

The DNN/APN ID of the entry in Table 4.8.4-1 which has been determined by the DNN IE in the UL NAS TRANSPORT message which carried the corresponding PDU SESSION ESTABLISHMENT REQUEST or by pc_APN_Default_Configuration if the DNN IE was not present

5GSM network feature support

Not Present

Serving PLMN rate control

Not Present

ATSSS container

Not Present

Control plane only indication

Not Present

IP header compression configuration

Not Present

Ethernet header compression configuration

Not Present

Service-level-AA container

Not Present

Received MBS container

Not Present

Condition

Explanation

IPv4

If in the last PDU SESSION ESTABLISHMENT REQUEST sent prior to this message, the PDU session type = ‘001’B

IPv6

If in the last PDU SESSION ESTABLISHMENT REQUEST sent prior to this message, the PDU session type = ‘010’B

IPv4v6

If in the last PDU SESSION ESTABLISHMENT REQUEST sent prior to this message, the PDU session type = ‘011’B

IPv4-DHCP

If in the last PDU SESSION ESTABLISHMENT REQUEST sent prior to this message, the IE Extended protocol configuration options contains a configuration protocol option = ‘000BH’ ("IPv4 address allocation via DHCPv4", length of contents = 0).

Note: This condition is used in conjunction with IPv4 or IPv4v6 as indicated in the "PDU address information" just above.

Ethernet

If in the last PDU SESSION ESTABLISHMENT REQUEST sent prior to this message, the PDU session type = ‘101’B.

Always_On_Requested

If the last PDU SESSION ESTABLISHMENT REQUEST message included the Always-on PDU session requested IE

P-CSCF_IPv6

If in the last PDU SESSION ESTABLISHMENT REQUEST sent prior to this message the IE Extended protocol configuration options contains a configuration protocol option = ‘0001H’ (“P-CSCF IPv6 Address Request", length of contents = 0)

P-CSCF_IPv4

If in the last PDU SESSION ESTABLISHMENT REQUEST sent prior to this message the IE Extended protocol configuration options contains a configuration protocol option = ‘000CH’ (“P-CSCF IPv4 Address Request", length of contents = 0)

Interworking_with_EPS

If the UE has indicated support of S1, then the SS shall include this IE to provide details for the interworking with EPS being supported for a PDU session. This requirement is set up for the purpose of facilitating the test description. It is not mandatory for the Network to support Mapped EPS bearer contexts.

Additional_P-CSCF_IPv6

P-CSCF_IPv6 AND SS requires to be configured with second P-CSCF Ipv6 address

Additional _P-CSCF_IPv4

P-CSCF_IPv6 AND SS requires to be configured with second P-CSCF Ipv4 address

DNS IPv6

If in the last PDU Session Establishment REQUEST the Extended protocol configuration options was included with a “DNS IPv6 Address Request”.

DNS IPv4

If in the last PDU Session Establishment REQUEST the Extended protocol configuration options was included with a “DNS IPv4 Address Request”.

– PDU session establishment reject

Table 4.7.2-3: PDU SESSION ESTABLISHMENT REJECT

Derivation Path: 24.501 clause 8.3.3

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The same value as the value set in PDU SESSION ESTABLISHMENT REQUEST message

PTI

The same value as the value set in PDU SESSION ESTABLISHMENT REQUEST message

PDU SESSION ESTABLISHMENT REJECT message identity

‘1100 0011’B

5GSM cause

The value is set according to specific message content

Back-off timer value

Not Present

Allowed SSC mode

Not Present

EAP message

Not Present

5GSM congestion re-attempt indicator

Not Present

Extended protocol configuration options

Not Present

Re-attempt indicator

Not Present

Service-level-AA container

Not Present

– PDU session authentication command

Table 4.7.2-4: PDU SESSION AUTHENTICATION COMMAND

Derivation Path: 24.501 clause 8.3.4

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content

PTI

‘0000 0000’B

No procedure transaction identity assigned

PDU SESSION AUTHENTICATION COMMAND message identity

‘1100 0101’B

EAP message

Set according to TS 38.508 Table 4.7.3.2-1

See TS 24.501 [25] subclause 9.11.2.2

Extended protocol configuration options

Not Present

Remote UE handling information list

Not Present

– PDU session authentication complete

Table 4.7.2-5: PDU SESSION AUTHENTICATION COMPLETE

Derivation Path: 24.501 clause 8.3.5

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION AUTHENTICATION COMMAND message

PTI

‘0000 0000’B

No procedure transaction identity assigned

PDU SESSION AUTHENTICATION COMPLETE message identity

‘1100 0110’B

EAP message

Set according to TS 38.508 Table 4.7.3.2-2

See TS 24.501 [25] subclause 9.11.2.2

Extended protocol configuration options

If present: contents not checked

Remote UE handling information list

If present: contents not checked

– PDU session authentication result

Table 4.7.2-6: PDU SESSION AUTHENTICATION RESULT

Derivation Path: 24.501 clause 8.3.6

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION AUTHENTICATION COMMAND message

PTI

‘0000 0000’B

No procedure transaction identity assigned

PDU SESSION AUTHENTICATION RESULT message identity

‘1100 0111’B

EAP message

Set according to specific message content

See TS 24.501 [25] subclause 9.11.2.2

Extended protocol configuration options

Not Present

– PDU session modification request

Table 4.7.2-7: PDU SESSION MODIFICATION REQUEST

Derivation Path: 24.501 clause 8.3.7

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION ESTABLISHMENT REQUEST message

PTI

Any value from 1 to 254

PDU SESSION MODIFICATION REQUEST message identity

‘1100 1001’B

5GSM capability

If present: contents not checked

5GSM cause

If present: contents not checked

Maximum number of supported packet filters

If present: contents not checked

Always-on PDU session requested

If present: contents not checked

Integrity protection maximum data rate

If present: contents not checked

Requested QoS rules

If present: contents not checked

Requested QoS flow descriptions

If present: contents not checked

Mapped EPS bearer contexts

If present: contents not checked

Extended protocol configuration options

If present: contents not checked

Port management information container

If present: contents not checked

IP header compression configuration

If present: contents not checked

Ethernet header compression configuration

If present: contents not checked

Requested MBS container

If present: contents not checked

Service-level-AA container

If present: contents not checked

– PDU session modification reject

Table 4.7.2-8: PDU SESSION MODIFICATION REJECT

Derivation Path: 24.501 clause 8.3.8

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION MODIFICATION REQUEST message.

PTI

The value indicated in PDU SESSION MODIFICATION REQUEST message.

PDU SESSION MODIFICATION REJECT message identity

‘1100 1010’B

5GSM cause

Set according to specific message content.

Back-off timer value

Not Present

5GSM congestion re-attempt indicator

Not Present

Extended protocol configuration options

Not Present

Re-attempt indicator

Not Present

– PDU session modification command

Table 4.7.2-9: PDU SESSION MODIFICATION COMMAND

Derivation Path: 24.501 clause 8.3.9

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content.

PDU session ID

The value indicated in PDU SESSION MODIFICATION REQUEST message.

UE_Initiated_Modification

PTI

‘0000 0000’B

No procedure transaction identity assigned

PTI

The value indicated in PDU SESSION MODIFICATION REQUEST message.

UE_Initiated_Modification

PDU SESSION MODIFICATION COMMAND message identity

‘1100 1011’B

5GSM cause

Not Present

Session AMBR

Not Present

RQ timer value

Not Present

Always-on PDU session indication

Not Present

Always-on PDU session indication

APSI

‘0’B

Always-on PDU session not allowed

Always_On_Requested

APSI

‘1’B

Always-on PDU session required

Always_On_Requested AND SST_URLLC

Authorized QoS rules

Not Present

Mapped EPS bearer contexts

Not Present

Authorized QoS flow descriptions

Not Present

Extended protocol configuration options

Not Present

ATSSS container

Not Present

IP header compression configuration

Not Present

Port management information container

Not Present

Serving PLMN rate control

Not Present

Ethernet header compression configuration

Not Present

Received MBS container

Not Present

Service-level-AA container

Not Present

Condition

Explanation

Always_On_Requested

If the last PDU SESSION MODIFICATION REQUEST message included the Always-on PDU session requested IE

UE_Initiated_Modification

If this message was triggered by a PDU SESSION MODIFICATION REQUEST message sent by the UE

– PDU session modification complete

Table 4.7.2-10: PDU SESSION MODIFICATION COMPLETE

Derivation Path: 24.501 clause 8.3.10

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION MODIFICATION COMMAND message

PTI

‘0000 0000’B

No procedure transaction identity assigned

PTI

The value indicated in PDU SESSION MODIFICATION REQUEST message.

UE_Initiated_Modification

PDU SESSION MODIFICATION COMPLETE message identity

‘1100 1100’B

Extended protocol configuration options

If present: contents not checked

Port management information container

If present: contents not checked

Condition

Explanation

UE_Initiated_Modification

If this message was triggered by a PDU SESSION MODIFICATION REQUEST message sent by the UE

– PDU session modification command reject

Table 4.7.2-11: PDU SESSION MODIFICATION COMMAND REJECT

Derivation Path: 24.501 clause 8.3.11

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION MODIFICATION COMMAND message

PTI

‘0000 0000’B

No procedure transaction identity assigned

PDU SESSION MODIFICATION COMMAND REJECT message identity

‘1100 1101’B

5GSM cause

If present: contents not checked

Extended protocol configuration options

If present: contents not checked

– PDU session release request

Table 4.7.2-12: PDU SESSION RELEASE REQUEST

Derivation Path: 24.501 clause 8.3.12

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION ESTABLISHMENT REQUEST message

PTI

Any value from 1 to 254

PDU SESSION RELEASE REQUEST message identity

‘1101 0001’B

5GSM cause

If present: contents not checked

Extended protocol configuration options

If present: contents not checked

– PDU session release reject

Table 4.7.2-13: PDU SESSION RELEASE REJECT

Derivation Path: 24.501 clause 8.3.13

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION RELEASE REQUEST message.

PTI

The value indicated in PDU SESSION RELEASE REQUEST message.

PDU SESSION RELEASE REJECT message identity

‘1101 0010’B

5GSM cause

Set according to specific message content.

Extended protocol configuration options

Not Present

– PDU session release command

Table 4.7.2-14: PDU SESSION RELEASE COMMAND

Derivation Path: 24.501 clause 8.3.14

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content.

PTI

‘0000 0000’B

No procedure transaction identity assigned

PDU SESSION RELEASE COMMAND message identity

‘1101 0011’B

5GSM cause

‘0001 1010’B

Insufficient resources

Back-off timer value

Not Present

EAP message

Not Present

5GSM congestion re-attempt indicator

Not Present

Extended protocol configuration options

Not Present

Access type

Not Present

Service-level-AA container

Not Present

– PDU session release complete

Table 4.7.2-15: PDU SESSION RELEASE COMPLETE

Derivation Path: 24.501 clause 8.3.15

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

The value indicated in PDU SESSION RELEASE COMMAND message.

PTI

‘0000 0000’B

No procedure transaction identity assigned

PDU SESSION RELEASE COMPLETE message identity

‘1101 0100’B

5GSM cause

If present: contents not checked

Extended protocol configuration options

If present: contents not checked

– 5GSM status

Table 4.7.2-16: 5GSM STATUS

Derivation Path: 24.501 clause 8.3.16

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content.

PTI

Set according to specific message content.

5GSM STATUS message identity

‘1101 0110’B

5GSM cause

Set according to specific message content.

– Service-level authentication command

Table 4.7.2-17: SERVICE-LEVEL AUTHENTICATION COMMAND

Derivation Path: 24.501 clause 8.3.17

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content.

PTI

Set according to specific message content.

SERVICE-LEVEL AUTHENTICATION COMMAND message identity

‘1101 1000’B

Service-level-AA container

FFS

– Service-level authentication complete

Table 4.7.2-18: SERVICE-LEVEL AUTHENTICATION COMPLETE

Derivation Path: 24.501 clause 8.3.18

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content.

PTI

Set according to specific message content.

SERVICE-LEVEL AUTHENTICATION COMPLETE message identity

‘1101 1001’B

Service-level-AA container

FFS

– Remote UE report

Table 4.7.2-19: REMOTE UE REPORT

Derivation Path: 24.501 clause 8.3.19

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content.

PTI

Set according to specific message content.

REMOTE UE REPORT message identity

‘1101 1010’B

Remote UE context connected

FFS

Remote UE context disconnected

FFS

– Remote UE report response

Table 4.7.2-20: REMOTE UE REPORT RESPONSE

Derivation Path: 24.501 clause 8.3.20

Information Element

Value/remark

Comment

Condition

Extended protocol discriminator

‘0010 1110’B

5GS session management messages

PDU session ID

Set according to specific message content.

PTI

Set according to specific message content.

REMOTE UE REPORT RESPONSE message identity

‘1101 1011’B

EAP message

FFS

Remote UE handling information list

FFS

Authorized QoS flow descriptions

FFS