9.5 GPRS Session Management Messages

04.083GPPMobile radio interface Layer 3 specificationRelease 1998TS

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 04.08.

Message type: activate PDP context request

Significance: global

Direction: MS to network

Table 9.5.1/3GPP TS 04.08: 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

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

4

Requested PDP address

Packet data protocol address

10.5.6.4

M

LV

3 – 19

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

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 provides protocol configuration options for the external PDN.

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 04.08.

Message type: activate PDP context accept

Significance: global

Direction: network to MS

Table 9.5.2/3GPP TS 04.08: Activate 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

Activate PDP context accept message identity

Message type

10.4

M

V

1

Negotiated LLC SAPI

LLC service access point identifier 10.5.6.9

M

V

1

Negotiated QoS

Quality of service

10.5.6.5

M

LV

4

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

2B

PDP address

Packet data protocol address

10.5.6.4

O

TLV

4 – 20

27

Protocol configuration options

Protocol configuration options

10.5.6.3

O

TLV

3 – 253

9.5.2.1 PDP address

If the MS did not request a static address in the corresponding ACTIVATE PDP CONTEXT REQUEST message, the network shall include the PDP address IE in this Activate PDP context Accept message.

If the MS requested a static address in the corresponding ACTIVATE PDP CONTEXT REQUEST message, the network shall not include the PDP address IE in this Activate PDP context Accept message.

9.5.2.2 Protocol configuration options

This IE is included in the message when the network wishes to transmit protocol configuration options for the external PDN.

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 04.08.

Message type: activate PDP context reject

Significance: global

Direction: network to MS

Table 9.5.3/3GPP TS 04.08: 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

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

9.5.3.1 Protocol configuration options

The protocol configuration options IE may only be inserted by the network (see 3GPP TS 09.60) if the SM Cause indicates "activation rejected by GGSN".

9.5.4 Request PDP context activation

This message is sent by the network to the MS to initiate activation of a PDP context. See table 9.5.4/3GPP TS 04.08.

Message type: request PDP context activation

Significance: global

Direction: network to MS

Table 9.5.4/3GPP TS 04.08: 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

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 – 19

28

Access point name

Access point name

10.5.6.1

O

TLV

3 – 102

9.5.5 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 9.5.5/3GPP TS 04.08.

Message type: request PDP context ACTIVATION reject

Significance: global

Direction: MS to network

Table 9.5.5/3GPP TS 04.08: 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

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

9.5.6 Modify PDP context request

This message is sent by the network to the MS to request modification of an active PDP context. See table 9.5.6/3GPP TS 04.08.

Message type: modify PDP context request

Significance: global

Direction: network to MS

Table 9.5.6/3GPP TS 04.08: modify 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

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

4

9.5.7 Modify PDP context accept

This message is sent by the MS to the network to acknowledge the modification of an active PDP context. See table 9.5.7/3GPP TS 04.08.

Message type: modify PDP context accept

Significance: global

Direction: MS to network

Table 9.5.7/3GPP TS 04.08: modify 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

Modify PDP context accept message identity

Message type

10.4

M

V

1

9.5.8 Deactivate PDP context request

This message is sent to request deactivation of an active PDP context. See table 9.5.8/3GPP TS 04.08.

Message type: deactivate PDP context request

Significance: global

Direction: both

Table 9.5.8/3GPP TS 04.08: 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

Deactivate PDP context request message identity

Message type

10.4

M

V

1

SM cause

SM cause

10.5.6.6

M

V

1

9.5.9 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 9.5.9/3GPP TS 04.08.

Message type: deactivate PDP context accept

Significance: global

Direction: both

Table 9.5.9/3GPP TS 04.08: 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

Deactivate PDP context accept message identity

Message type

10.4

M

V

1

9.5.10 Activate AA PDP context request

This message is sent by the MS to the network to initiate activation of an AA PDP context. See table 9.5.10/3GPP TS 04.08.

Message type: Activate AA PDP context Request

Significance: global

Direction: MS to network

Table 9.5.10/3GPP TS 04.08: Activate AA 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

Activate AA 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

4

Requested packet data
protocol address

Packet data protocol address

10.5.6.4

M

LV

3 – 19

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

29

Requested AA-READY timer
value

GPRS Timer

10.5.7.3

O

TV

2

9.5.10.1 Access point name

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

9.5.10.2 Protocol configuration options

This IE is included in the message when the MS provides protocol configuration options for the external PDN.

9.5.10.3 Requested AA-READY timer value

This IE may be included if the MS wants to indicate a preferred value for the AA-READY timer.

9.5.11 Activate AA PDP context accept

This message is sent by the network to the MS to acknowledge the activation of an AA PDP context. See table 9.5.11/3GPP TS 04.08.

Message type: Activate AA PDP context Accept

Significance: global

Direction: network to MS

Table 9.5.11/3GPP TS 04.08: Activate AA 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

Activate AA PDP context accept message identity

Message type

10.4

M

V

1

Negotiated LLC SAPI

LLC service access point identifier

10.5.6.9

M

V

1

Negotiated QoS

Quality of service

10.5.6.5

M

LV

4

Allocated P-TMSI

Mobile identity

10.5.1.4

M

LV

6

Packet data protocol address

Packet data protocol address

10.5.6.4

M

LV

3 – 19

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

27

Protocol configuration options

Protocol configuration options

10.5.6.3

O

TLV

3 – 253

29

Negotiated AA-Ready timer value

GPRS Timer

10.5.7.3

O

TV

2

9.5.11.1 Protocol configuration options

This IE may be included if the network wishes to transmit protocol configuration options from the external PDN.

9.5.11.2 Negotiated AA-Ready timer value

This IE may be included if the network wants to indicate a value for the AA-READY timer.

9.5.12 Activate AA PDP context reject

This message is sent by the network to the MS to reject the activation of an AA PDP context. See table 9.5.12/3GPP TS 04.08.

Message type: Activate AA PDP context REJECT

Significance: global

Direction: network to MS

Table 9.5.12/3GPP TS 04.08: Activate AA 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

Activate AA 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

9.5.12.1 Protocol configuration options

The protocol configuration options IE may only be inserted by the network (see 3GPP TS 09.60) if the SM Cause indicates "activation rejected by GGSN".

9.5.13 Deactivate AA PDP context request

This message is sent to request deactivation of an active AA PDP context. See table 9.5.13/3GPP TS 04.08.

Message type: deactivate AA PDP context request

Significance: global

Direction: network to MS

Table 9.5.13/3GPP TS 04.08: deactivate AA 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

Deactivate AA PDP context request message identity

Message type

10.4

M

V

1

AA deactivation cause

AA deactivation cause

10.5.6.8

M

V

1/2

Spare half octet

Spare half octet

10.5.1.8

M

V

1/2

9.5.14 Deactivate AA PDP context accept

This message is sent to acknowledge deactivation of an AA PDP context requested by the corresponding Deactivate AA PDP context request message. See table 9.5.14/3GPP TS 04.08.

Message type: deactivate AA PDP context accept

Significance: global

Direction: MS to network

Table 9.5.14/3GPP TS 04.08: deactivate AA 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

Deactivate AA PDP context accept message identity

Message type

10.4

M

V

1

9.5.15 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 sub-clause 8). See table 9.5.15/3GPP TS 04.08.

Message type: SM Status

Significance: local

Direction: both

Table 9.5.15/3GPP TS 04.08: 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

SM Status message identity

Message type

10.4

M

V

1

SM Cause

SM Cause

10.5.6.6

M

V

1