9.5 GPRS Session Management Messages

24.0083GPPCore network protocolsMobile radio interface Layer 3 specificationRelease 18Stage 3TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

9.5.1 Activate PDP context request

This message is sent by the MS to the network to request activation of a PDP context.
See table 9.5.1/3GPP TS 24.008.

Message type: activate PDP context request

Significance: global

Direction: MS to network

Table 9.5.1/3GPP TS 24.008: Activate PDP context request message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Activate PDP context request message identity	Message type 10.4	M	V	1
	Requested NSAPI	Network service access point identifier 10.5.6.2	M	V	1
	Requested LLC SAPI	LLC service access point identifier 10.5.6.9	M	V	1
	Requested QoS	Quality of service 10.5.6.5	M	LV	13-21
	Requested PDP address	Packet data protocol address 10.5.6.4	M	LV	3 – 23
28	Access point name	Access point name 10.5.6.1	O	TLV	3 – 102
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
A-	Request type	Request type 10.5.6.17	O	TV	1
C-	Device properties	Device properties 10.5.7.8	O	TV	1
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538
5C	Extended QoS	Extended quality of service 10.5.6.5B	O	TLV	12

9.5.1.1 Access point name

This IE is included in the message when the MS selects a specific external network to be connected to.

9.5.1.2 Protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network and the extended protocol configuration options IE is not supported by the MS or the network or both end-to-end for the PDN connection (see subclause 6.1.3.7).

This IE shall be included if the MS supports Network Requested Bearer Control procedures or Local IP address in TFTs and the PDP Type requested is different from non-IP.

9.5.1.3 Request type

This IE is included in the message to indicate whether the PDP context request is for a handover from a non-3GPP access network or to activate a PDP context for emergency bearer services.

9.5.1.4 Device properties

This IE shall be included if the MS is configured for NAS signalling low priority.

9.5.1.5 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.1.6 Extended protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network and the extended protocol configuration options IE is supported by the network and the MS end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.1.7 Extended QoS

This IE is included in the message when the MS wishes to transmit the maximum and guaranteed bit rate values to the network and at least one of the values to be transmitted exceeds the maximum bit rate value as specified in the quality of service information element in subclause 10.5.6.5.

9.5.2 Activate PDP context accept

This message is sent by the network to the MS to acknowledge activation of a PDP context.
See table 9.5.2/3GPP TS 24.008.

Message type: activate PDP context accept

Significance: global

Direction: network to MS

Table 9.5.2/3GPP TS 24.008: Activate PDP context Accept message content

IEI

Information Element

Type/Reference

Presence

Format

Length

Protocol discriminator

10.2

1/2

Transaction identifier

10.3.2

1/2– 3/2

Activate PDP context accept message identity

Message type

10.4

Negotiated LLC SAPI

LLC service access point identifier

10.5.6.9

Negotiated QoS

Quality of service

10.5.6.5

13-21

Radio priority

10.5.7.2

1/2

Spare half octet

10.5.1.8

1/2

PDP address

Packet data protocol address

10.5.6.4

TLV

4-24

Protocol configuration options

10.5.6.3

TLV

3-253

Packet Flow Identifier

10.5.6.11

TLV

SM cause

SM cause 2

10.5.6.6a

TLV

B-

Connectivity type

10.5.6.19

C-

WLAN offload indication

WLAN offload acceptability

10.5.6.20

NBIFOM container

10.5.6.21

TLV

3 – 257

Extended protocol configuration options

10.5.6.3a

TLV-E

4 – 65538

Extended QoS

Extended quality of service

10.5.6.5B

TLV

9.5.2.1 PDP address

This IE shall be included by the network if the MS has requested the activation of a PDP context with the PDP type IPv4 or IPv6 or IPv4v6 and dynamic addressing.

9.5.2.2 Protocol configuration options

This IE is also included to indicate the selected Bearer Control Mode to be applied as well as the network support for Local IP address in TFTs for all active PDP contexts sharing the same PDP Address and APN, if the PDN type is different from Non-IP, and the extended protocol configuration options IE is not supported by the MS or the network or both end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.2.3 Packet Flow Identifier

This IE may be included if the network wants to indicate the Packet Flow Identifier associated to the PDP context. The network shall not include this IE if the MS has not indicated PFC procedure support in PFC feature mode field of MS Network Capability IE.

If the MS has not indicated PFC procedure support, then it shall ignore this IE, if received.

9.5.2.4 SM cause

This IE shall be included if the network accepts the requested PDN connectivity with restrictions.

9.5.2.5 Connectivity type

The network shall include the connectivity type IE if:

– the network is configured to indicate when a PDN connection is a LIPA PDN connection; and

– the present PDN connection is a LIPA PDN connection.

9.5.2.6 WLAN offload indication

9.5.2.7 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.2.8 Extended protocol configuration options

This IE is also included to indicate the selected Bearer Control Mode to be applied as well as the network support for Local IP address in TFTs for all active PDP contexts sharing the same PDP Address and APN, if the PDN type is different from Non-IP, and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.2.9 Extended QoS

This IE is included in the message when the network wishes to transmit the maximum and guaranteed bit rate values to the MS and at least one of the values to be transmitted exceeds the maximum bit rate value as specified in the quality of service information element in subclause 10.5.6.5.

9.5.3 Activate PDP context reject

This message is sent by the network to the MS to reject activation of a PDP context.
See table 9.5.3/3GPP TS 24.008.

Message type: activate PDP context reject

Significance: global

Direction: network to MS

Table 9.5.3/3GPP TS 24.008: Activate PDP context reject message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Activate PDP context reject message identity	Message type 10.4	M	V	1
	SM cause	SM Cause 10.5.6.6	M	V	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
37	Back-off timer value	GPRS timer 3 10.5.7.4a	O	TLV	3
6B	Re-attempt indicator	Re-attempt indicator 10.5.6.5A	O	TLV	3
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.3.1 Protocol configuration options

9.5.3.2 Back-off timer value

The network may include this IE if the SM cause is not #50 "PDP type IPv4 only allowed", #51 "PDP type IPv6 only allowed", #57 "PDP type IPv4v6 only allowed", #58 "PDP type non IP only allowed", nor #65 "maximum number of PDP contexts reached", to request a minimum time interval before procedure retry is allowed.

9.5.3.3 Re-attempt indicator

The network may include this IE only if the SM cause value is #50 "PDP type IPv4 only allowed", #51 "PDP type IPv6 only allowed", #57 "PDP type IPv4v6 only allowed", #58 "PDP type non IP only allowed", or #66 "requested APN not supported in current RAT and PLMN combination", or if the network includes the Back-off timer value IE and the SM cause value is not #26 "insufficient resources".

9.5.3.4 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.3.5 Extended protocol configuration options

9.5.4 Activate Secondary PDP Context Request

This message is sent by the MS to the network to request activation of an additional PDP context associated with the same PDP address and APN as an already active PDP context. See Table 9.5.4/3GPP TS 24.008.

Message type: activate SECONDARY PDP context REQUEST

Significance: global

Direction: MS to network

Table 9.5.4/3GPP TS 24.008: ACTIVATE SECONDARY PDP CONTEXT REQUEST message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	½
	Transaction identifier	Transaction identifier 10.3.2	M	V	½– 3/2
	Activate secondary PDP context request message identity	Message type 10.4	M	V	1
	Requested NSAPI	Network service access point identifier 10.5.6.2	M	V	1
	Requested LLC SAPI	LLC service access point identifier 10.5.6.9	M	V	1
	Requested QoS	Quality of service 10.5.6.5	M	LV	13-21
	Linked TI	Linked TI 10.5.6.7	M	LV	2-3
36	TFT	Traffic Flow Template 10.5.6.12	O	TLV	3-257
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3-253
C-	Device properties	Device properties 10.5.7.8	O	TV	1
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538
5C	Extended QoS	Extended quality of service 10.5.6.5B	O	TLV	12

9.5.4.1 TFT

This IE shall be included if a linked PDP context without TFT has already been activated.

9.5.4.2 Protocol configuration options

9.5.4.3 Device properties

This IE shall be included if the MS is configured for NAS signalling low priority.

9.5.4.4 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.4.5 Extended protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.4.6 Extended QoS

9.5.5 Activate Secondary PDP Context Accept

This message is sent by the network to the MS to acknowledge activation of an additional PDP context associated with the same PDP address and APN as an already active PDP context. See Table 9.5.5/3GPP TS 24.008.

Message type: activate SECONDARY PDP context accept

Significance: global

Direction: network to MS

Table 9.5.5/3GPP TS 24.008: Activate secondary PDP context Accept message content

IEI

Information Element

Type/Reference

Presence

Format

Length

Protocol discriminator

10.2

1/2

Transaction identifier

10.3.2

1/2– 3/2

Activate secondary PDP context accept message identity

Message type

10.4

Negotiated LLC SAPI

LLC service access point identifier 10.5.6.9

Negotiated QoS

Quality of service

10.5.6.5

13-21

Radio priority

10.5.7.2

1/2

Spare half octet

10.5.1.8

1/2

Packet Flow Identifier

10.5.6.11

TLV

Protocol configuration options

Protocol configuration options 10.5.6.3

TLV

3-253

C-

WLAN offload indication

WLAN offload acceptability

10.5.6.20

NBIFOM container

10.5.6.21

TLV

3 – 257

Extended protocol configuration options

10.5.6.3a

TLV-E

4 – 65538

Extended QoS

Extended quality of service

10.5.6.5B

TLV

9.5.5.1 Packet Flow Identifier

If the MS has not indicated PFC procedure support, then it shall ignore this IE, if received.

9.5.5.2 Protocol configuration options

9.5.5.3 WLAN offload indication

9.5.5.4 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.5.5 Extended protocol configuration options

9.5.5.6 Extended QoS

9.5.6 Activate Secondary PDP Context Reject

This message is sent by the network to the MS to reject activation of an additional PDP context associated with the same PDP address and APN as an already active PDP context. See Table 9.5.6/3GPP TS 24.008.

Message type: activate SECONDARY PDP context reject

Significance: global

Direction: network to MS

Table 9.5.6/3GPP TS 24.008: Activate SECONDARY PDP context reject message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Activate secondary PDP context reject message identity	Message type 10.4	M	V	1
	SM cause	SM Cause 10.5.6.6	M	V	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
37	Back-off timer value	GPRS timer 3 10.5.7.4a	O	TLV	3
6B	Re-attempt indicator	Re-attempt indicator 10.5.6.5A	O	TLV	3
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.6.1 Protocol configuration options

9.5.6.2 Back-off timer value

The network may include this IE if the SM cause is not #65 "maximum number of PDP contexts reached", to request a minimum time interval before procedure retry is allowed.

9.5.6.3 Re-attempt indicator

The network may include this IE only if it includes the Back-off timer value IE and the SM cause value is not #26 "insufficient resources".

9.5.6.4 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.6.5 Extended protocol configuration options

9.5.7 Request PDP context activation

This message is sent by the network to the MS to initiate activation of a PDP context.
See table 9.5.7/3GPP TS 24.008.

Message type: request PDP context activation

Significance: global

Direction: network to MS

Table 9.5.7/3GPP TS 24.008: request PDP context activation message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Request PDP context activation message identity	Message type 10.4	M	V	1
	Offered PDP address	Packet data protocol address 10.5.6.4	M	LV	3 – 23
28	Access point name	Access point name 10.5.6.1	O	TLV	3 – 102
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.7.1 Protocol configuration options

9.5.7.2 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.7.3 Extended protocol configuration options

9.5.8 Request PDP context activation reject

This message is sent by the MS to the network to reject initiation of a PDP context activation.
See table 9.5.8/3GPP TS 24.008.

Message type: request PDP context ACTIVATION reject

Significance: global

Direction: MS to network

Table 9.5.8/3GPP TS 24.008: request PDP context ACTIVATION reject message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Request PDP context act. reject message identity	Message type 10.4	M	V	1
	SM cause	SM cause 10.5.6.6	M	V	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.8.1 Protocol configuration options

9.5.8.2 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.8.3 Extended protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.9 Modify PDP context request (Network to MS direction)

This message is sent by the network to the MS to request modification of an active PDP context. See table 9.5.9/3GPP TS 24.008.

Message type: modify PDP context request (NETWORK to MS Direction)

Significance: global

Direction: network to MS

Table 9.5.9/3GPP TS 24.008: modify PDP context request (Network to MS direction) message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Modify PDP context request message identity	Message type 10.4	M	V	1
	Radio priority	Radio priority 10.5.7.2	M	V	1/2
	Spare half octet	Spare half octet 10.5.1.8	M	V	1/2
	Requested LLC SAPI	LLC service access point identifier 10.5.6.9	M	V	1
	New QoS	Quality of service 10.5.6.5	M	LV	13-21
2B	PDP address	Packet data protocol address 10.5.6.4	O	TLV	4-24
34	Packet Flow Identifier	Packet Flow Identifier 10.5.6.11	O	TLV	3
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
36	TFT	Traffic Flow Template 10.5.6.12	O	TLV	3 – 257
C-	WLAN offload indication	WLAN offload acceptability 10.5.6.20	O	TV	1
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538
5C	Extended QoS	Extended quality of service 10.5.6.5B	O	TLV	12

9.5.9.1 PDP address

If the MS requested external PDP address allocation at PDP context activation via an APN and this was confirmed by the network in the ACTIVATE PDP CONTEXT ACCEPT message, then the network shall include the PDP address IE in the MODIFY PDP CONTEXT REQUEST message once the address has been actually allocated, in order to update the PDP context in the MS.

9.5.9.2 Packet Flow Identifier

If this IE is not included, the MS shall keep the old Packet Flow Identifier value. If the MS has not indicated PFC procedure support, then it shall ignore this IE, if received.

9.5.9.3 Protocol configuration options

This IE is included in the message when the network wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the MS and the extended protocol configuration options IE is not supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7). This IE is also included to indicate the selected Bearer Control Mode to be applied when the extended protocol configuration options IE is not supported by the MS or the network or both end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.9.4 TFT

This IE is included in the message to provide the MS with uplink and downlink packet filters when the protocol configuration options information element indicates the selected Bearer Control Mode ‘MS/NW’.

9.5.9.5 WLAN offload indication

9.5.9.6 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.9.7 Extended protocol configuration options

This IE is included in the message when the network wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the MS and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7). This IE is also included to indicate the selected Bearer Control Mode to be applied when the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.9.8 Extended QoS

9.5.10 Modify PDP context request (MS to network direction)

This message is sent by the MS to the network to request modification of an active PDP context. See table 9.5.10/3GPP TS 24.008.

Message type: modify PDP context request (MS TO network direction)

Significance: global

Direction: MS to network

Table 9.5.10/3GPP TS 24.008: modify PDP context request (MS to network direction) message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Modify PDP context request message identity	Message type 10.4	M	V	1
32	Requested LLC SAPI	LLC service access point identifier 10.5.6.9	O	TV	2
30	Requested new QoS	Quality of service 10.5.6.5	O	TLV	14-22
31	New TFT	Traffic Flow Template 10.5.6.12	O	TLV	3-257
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3-253
C-	Device properties	Device properties 10.5.7.8	O	TV	1
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538
5C	Extended QoS	Extended quality of service 10.5.6.5B	O	TLV	12

9.5.10.1 Requested LLC SAPI

This IE may be included in the message to request a new LLC SAPI if a new QoS is requested.

9.5.10.2 Requested new QoS

This IE may be included in the message to request a modification of the QoS.

9.5.10.3 New TFT

This IE may be included in the message to request a new TFT or modification of an existing TFT or transfer extra parameters to the network (e.g. the Authorization Token; see 3GPP TS 24.229 [95]).

9.5.10.4 Protocol configuration options

9.5.10.5 Device properties

This IE shall be included if the MS is configured for NAS signalling low priority.

9.5.10.6 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.10.7 Extended protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.10.8 Extended QoS

9.5.11 Modify PDP context accept (MS to network direction)

This message is sent by the MS to the network to acknowledge the modification of an active PDP context. See table 9.5.11/3GPP TS 24.008.

Message type: modify PDP context accept (MS to network direction)

Significance: global

Direction: MS to network

Table 9.5.11/3GPP TS 24.008: modify PDP context accept (MS to network direction) message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Modify PDP context accept message identity	Message type 10.4	M	V	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.11.1 Protocol configuration options

9.5.11.2 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.11.3 Extended protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.12 Modify PDP context accept (Network to MS direction)

This message is sent by the network to the MS to acknowledge the modification of an active PDP context. See table 9.5.12/3GPP TS 24.008.

Message type: modify PDP context accept (NeTWORK to ms direction)

Significance: global

Direction: Network to MS

Table 9.5.12/3GPP TS 24.008: modify PDP context ACCEPT (NETWORK to MS direction) message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	½
	Transaction identifier	Transaction identifier 10.3.2	M	V	½– 3/2
	Modify PDP context accept message identity	Message type 10.4	M	V	1
30	Negotiated QoS	Quality of service 10.5.6.5	O	TLV	14-22
32	Negotiated LLC SAPI	LLC service access point identifier 10.5.6.9	O	TV	2
8	New radio priority	Radio priority 10.5.7.2	O	TV	1
34	Packet Flow Identifier	Packet Flow Identifier 10.5.6.11	O	TLV	3
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
C-	WLAN offload indication	WLAN offload acceptability 10.5.6.20	O	TV	1
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538
5C	Extended QoS	Extended quality of service 10.5.6.5B	O	TLV	12

9.5.12.1 Negotiated QoS

This IE is included in the message if the network assigns a new QoS.

9.5.12.2 Negotiated LLC SAPI

This IE is included in the message if the network assigns a new LLC SAPI.

9.5.12.3 New radio priority

This IE is included in the message only if the network modifies the radio priority.

9.5.12.4 Packet Flow Identifier

If this IE is not included, the MS shall keep the old Packet Flow Identifier value.If the MS has not indicated PFC procedure support, then it shall ignore this IE, if received.

9.5.12.5 Protocol configuration options

9.5.12.6 WLAN offload indication

9.5.12.7 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.12.8 Extended protocol configuration options

9.5.12.9 Extended QoS

9.5.13 Modify PDP Context Reject

This message is sent by the network or the MS to reject a modification of an active PDP context. See Table 9.5.13/3GPP TS 24.008.

Message type: MODIFY PDP context reject

Significance: global

Direction: both

Table 9.5.13/3GPP TS 24.008: MODIFY PDP context reject message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Modify PDP Context Reject	Message type 10.4	M	V	1
	SM cause	SM Cause 10.5.6.6	M	V	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
37	Back-off timer value	GPRS timer 3 10.5.7.4a	O	TLV	3
6B	Re-attempt indicator	Re-attempt indicator 10.5.6.5A	O	TLV	3
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.13.1 Protocol configuration options

9.5.13.2 Back-off timer value

The network may include this IE to request a minimum time interval before procedure retry is allowed.

9.5.13.3 Re-attempt indicator

The network may include this IE only if it includes the Back-off timer value IE and the SM cause value is not #26 "insufficient resources".

9.5.13.4 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.13.5 Extended protocol configuration options

9.5.14 Deactivate PDP context request

This message is sent to request deactivation of an active PDP context or an active MBMS context. See table 9.5.14/3GPP TS 24.008.

Message type: deactivate PDP context request

Significance: global

Direction: both

Table 9.5.14/3GPP TS 24.008: deactivate PDP context request message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Deactivate PDP context request message identity	Message type 10.4	M	V	1
	SM cause	SM cause 10.5.6.6	M	V	1
9-	Tear down indicator	Tear down indicator 10.5.6.10	O	TV	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
35	MBMS protocol configuration options	MBMS protocol configuration options 10.5.6.15	O	TLV	3 – 253
37	T3396 value	GPRS timer 3 10.5.7.4a	O	TLV	3
C-	WLAN offload indication	WLAN offload acceptability 10.5.6.20	O	TV	1
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.14.1 Tear down indicator

This IE is included in the message in order to indicate whether only the PDP context associated with this specific TI or all active PDP contexts sharing the same PDP address and APN as the PDP context associated with this specific TI shall be deactivated.

If this IE is received for an MBMS context, it shall be ignored by the receiver.

9.5.14.2 Protocol configuration options

This IE is included in the message when the MS or the network wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the peer entity and the extended protocol configuration options IE is not supported by the MS or the network or both end-to-end for the PDN connection (see subclause 6.1.3.7).

If this IE is received for an MBMS context, it shall be ignored by the receiver.

9.5.14.3 MBMS protocol configuration options

This IE is included in the message when the MS or the network wishes to transmit MBMS bearer related (protocol) data (e.g. configuration parameters, error codes or messages/events) to the peer entity for an MBMS context.

If the IE is received for a PDP context, it shall be ignored by the receiver.

9.5.14.4 T3396 value

The network may include this IE if the ESM cause is #26 "insufficient resources".

9.5.14.5 WLAN offload indication

This IE shall be included in the message when the network wishes to indicate if the UE is allowed to offload the traffic of the associated PDN connection to WLAN(s), as specified in subclause 10.5.6.20. If the SGSN wishes to deactivate all PDP contexts of a PDN connection, SGSN shall not include this IE.

9.5.14.6 Void

9.5.14.7 Extended protocol configuration options

This IE is included in the message when the MS or the network wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the peer entity and the extended protocol configuration options IE is supported by the MS or the network or both end-to-end for the PDN connection (see subclause 6.1.3.7).

If this IE is received for an MBMS context, it shall be ignored by the receiver.

9.5.15 Deactivate PDP context accept

This message is sent to acknowledge deactivation of the PDP context requested in the corresponding Deactivate PDP context request message. See table 9.5.15/3GPP TS 24.008.

Message type: deactivate PDP context accept

Significance: global

Direction: both

Table 9.5.15/3GPP TS 24.008: deactivate PDP context accept message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Deactivate PDP context accept message identity	Message type 10.4	M	V	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
35	MBMS protocol configuration options	MBMS protocol configuration options 10.5.6.15	O	TLV	3 – 253
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.15.1 Protocol configuration options

If this IE is received for an MBMS context, it shall be ignored by the receiver.

9.5.15.2 MBMS protocol configuration options

If the IE is received for a PDP context, it shall be ignored by the receiver.

9.5.15.3 Void

9.5.15.4 Extended protocol configuration options

This IE is included in the message when the MS or the network wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the peer entity and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

If this IE is received for an MBMS context, it shall be ignored by the receiver.

9.5.15a Request Secondary PDP Context Activation

This message is sent by the network to the MS to request activation of a secondary PDP context.
See table 9.5.15a/3GPP TS 24.008.

Message type: request SECONDARY PDP context activation

Significance: global

Direction: network to MS

Table 9.5.15a/3GPP TS 24.008: request SeCONDARY PDP context activation message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Request secondary PDP context activation message identity	Message type 10.4	M	V	1
	Required QoS	Quality of service 10.5.6.5	M	LV	13-21
	Linked TI	Linked TI 10.5.6.7	M	LV	2-3
36	TFT	Traffic Flow Template 10.5.6.12	O	TLV	3-257
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
C-	WLAN offload indication	WLAN offload acceptability 10.5.6.20	O	TV	1
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538
5C	Extended QoS	Extended quality of service 10.5.6.5B	O	TLV	12

9.5.15a.1 TFT

The network shall include this IE. This IE provides the MS with uplink and downlink packet filters.

9.5.15a.2 Protocol configuration options

This IE is included in the message when the network wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the MS end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.15a.3 WLAN offload indication

9.5.15a.4 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.15a.5 Extended protocol configuration options

9.5.15a.6 Extended QoS

9.5.15b Request Secondary PDP Context Activation Reject

This message is sent by the MS to the network to reject the request of a secondary PDP context activation.
See table 9.5.15b/3GPP TS 24.008.

Message type: request SECONDARY PDP context ACTIVATION reject

Significance: global

Direction: MS to network

Table 9.5.15b/3GPP TS 24.008: request SECONDARY PDP context ACTIVATION reject message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Request secondary PDP context activation reject message identity	Message type 10.4	M	V	1
	SM cause	SM cause 10.5.6.6	M	V	1
27	Protocol configuration options	Protocol configuration options 10.5.6.3	O	TLV	3 – 253
33	NBIFOM container	NBIFOM container 10.5.6.21	O	TLV	3 – 257
7B	Extended protocol configuration options	Extended protocol configuration options 10.5.6.3a	O	TLV-E	4 – 65538

9.5.15b.1 Protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.15b.2 NBIFOM container

This information element is used to transfer information associated with network-based IP flow mobility, see 3GPP TS 24.161 [158].

9.5.15b.3 Extended protocol configuration options

This IE is included in the message when the MS wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network and the extended protocol configuration options IE is supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7).

9.5.16 Void

9.5.16a Notification

This message is sent by the network to inform the MS about events which are relevant for the upper layer using the PDP context or having requested a session management procedure. See table 9.5.16a/3GPP TS 24.008.

Message type: NOTIFICATION

Significance: local

Direction: network to MS

Table 9.5.16a/3GPP TS 24.008: NOTIFICATION message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Notification message identity	Message type 10.4	M	V	1
	Notification indicator	Notification indicator 10.5.6.18	M	LV	2

9.5.17 Void

9.5.18 Void

9.5.19 Void

9.5.20 Void

9.5.21 SM Status

This message is sent by the network or the MS to pass information on the status of the indicated context and report certain error conditions (eg. as listed in clause 8). See table 9.5.21/3GPP TS 24.008.

Message type: SM Status

Significance: local

Direction: both

Table 9.5.21/3GPP TS 24.008: SM STATUS message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	SM Status message identity	Message type 10.4	M	V	1
	SM Cause	SM Cause 10.5.6.6	M	V	1

9.5.22 Activate MBMS Context Request

This message is sent by the MS to the network as an explicit response to a Request MBMS Context Activation message
See table 9.5.22/3GPP TS 24.008.

Message type: activate MBMS context REQUEST

Significance: global

Direction: MS to network

Table 9.5.22 : Activate MBMS context request message content

IEI	Information Element	Type/	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Activate MBMS context request message identity	Message type 10.4	M	V	1
	Requested MBMS NSAPI	Enhanced Network service access point identifier 10.5.6.16	M	V	1
	Requested LLC SAPI	LLC service access point identifier 10.5.6.9	M	V	1
	Supported MBMS bearer capabilities	MBMS bearer capabilities 10.5.6.14	M	LV	2 – 3
	Requested multicast address	Packet data protocol address 10.5.6.4	M	LV	3 – 23
	Access point name	Access point name 10.5.6.1	M	LV	2 – 101
35	MBMS protocol configuration options	MBMS protocol configuration options 10.5.6.15	O	TLV	3 – 253
C-	Device properties	Device properties 10.5.7.8	O	TV	1

NOTE: The MBMS NSAPI will be used in Iu mode when the network chooses a point-to-point MBMS bearer for the transfer of MBMS data in the user plane.

9.5.22.1 MBMS protocol configuration options

This IE is included in the message when the MS wishes to transmit MBMS bearer related (protocol) data (e.g. configuration parameters, error codes or messages/events) to the peer entity for an MBMS context.

9.5.22.2 Device properties

This IE shall be included if the MS is configured for NAS signalling low priority.

9.5.23 Activate MBMS Context Accept

This message is sent by the network to the MS to acknowledge activation of an MBMS context.
See table 9.5.23/3GPP TS 24.008.

Message type: activate MBMS context ACCEPT

Significance: global

Direction: network to MS

Table 9.5.23 : Activate MBMS context Accept message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Activate MBMS context accept message identity	Message type 10.4	M	V	1
	Temporary Mobile Group Identity	Temporary Mobile Group Identity 10.5.6.13	M	LV	4-7
	Negotiated LLC SAPI	LLC service access point identifier 10.5.6.9	M	V	1
35	MBMS protocol configuration options	MBMS protocol configuration options 10.5.6.15	O	TLV	3 – 253

9.5.23.1 MBMS protocol configuration options

This IE is included in the message when the network wishes to transmit MBMS bearer related (protocol) data (e.g. configuration parameters, error codes or messages/events) to the peer entity for an MBMS context.

9.5.24 Activate MBMS Context Reject

This message is sent by the network to the MS to reject activation of a MBMS context.
See table 9.5.24/3GPP TS 24.008.

Message type: activate MBMS context reject

Significance: global

Direction: network to MS

Table 9.5.24 : Activate MBMS context reject message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Activate MBMS context reject message identity	Message type 10.4	M	V	1
	SM cause	SM Cause 10.5.6.6	M	V	1
35	MBMS protocol configuration options	MBMS protocol configuration options 10.5.6.15	O	TLV	3 – 253
37	Back-off timer value	GPRS timer 3 10.5.7.4a	O	TLV	3
6B	Re-attempt indicator	Re-attempt indicator 10.5.6.5A	O	TLV	3

9.5.24.1 MBMS protocol configuration options

9.5.24.2 Back-off timer value

The network may include this IE to request a minimum time interval before procedure retry is allowed.

9.5.24.3 Re-attempt indicator

The network may include this IE only if the network includes the Back-off timer value IE and the SM cause value is not #26 "insufficient resources".

9.5.25 Request MBMS Context Activation

This message is sent by the network to the MS to initiate activation of an MBMS context.
See table 9.5.25/3GPP TS 24.008.

Message type: request MBMS context activation

Significance: global

Direction: network to MS

Table 9.5.25 : request MBMS context activation message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Request MBMS context activation message identity	Message type 10.4	M	V	1
	Linked NSAPI	Network service access point identifier 10.5.6.2	M	V	1
	Offered Multicast address	Packet data protocol address 10.5.6.4	M	LV	3 – 23
	Access point name	Access point name 10.5.6.1	M	LV	2 – 101
35	MBMS protocol configuration options	MBMS protocol configuration options 10.5.6.15	O	TLV	3 – 253

9.5.25.1 Linked NSAPI

This IE is included in the message to allow the MS to associate the MBMS context with the PDP context over which the IGMP/MLD join message was sent.

9.5.25.2 MBMS protocol configuration options

9.5.26 Request MBMS Context Activation Reject

This message is sent by the MS to the network to reject initiation of an MBMS context activation.
See table 9.5.26/3GPP TS 24.008.

Message type: request MBMS context ACTIVATION reject

Significance: global

Direction: MS to network

Table 9.5.26 : request MBMS context ACTIVATION reject message content

IEI	Information Element	Type/Reference	Presence	Format	Length
	Protocol discriminator	Protocol discriminator 10.2	M	V	1/2
	Transaction identifier	Transaction identifier 10.3.2	M	V	1/2– 3/2
	Request MBMS context act. reject message identity	Message type 10.4	M	V	1
	SM cause	SM Cause 10.5.6.6	M	V	1
35	MBMS protocol configuration options	MBMS protocol configuration options 10.5.6.15	O	TLV	3 – 253