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 | 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 | 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 |