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Diffstat (limited to 'common/chapters')
| -rw-r--r-- | common/chapters/gsup.adoc | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/common/chapters/gsup.adoc b/common/chapters/gsup.adoc index 70295cf..56a6f9e 100644 --- a/common/chapters/gsup.adoc +++ b/common/chapters/gsup.adoc @@ -504,6 +504,113 @@ The purpose of this message is not clear yet. Probably, it can be used to notify the MSC that a structured supplementary service is successfully activated or deactivated, etc. +==== MO-forwardSM Request + +Direction: MSC / SGSN => SMSC (via HLR) + +[options="header",cols="5%,45%,20%,10%,10%,10%"] +|=== +|IEI|IE|Type|Presence|Format|Length +| |Message Type|<<gsup-ie-msgtype>>|M|V|1 +|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10 +|40|SM-RP-MR (Message Reference)|<<gsup-ie-sm-rp-mr>>|M|TLV|1 +|41|SM-RP-DA (Destination Address)|<<gsup-ie-sm-rp-da>>|M|TLV|2-... +|42|SM-RP-OA (Originating Address)|<<gsup-ie-sm-rp-oa>>|M|TLV|2-... +|43|SM-RP-UI (SM TPDU)|<<gsup-ie-sm-rp-ui>>|M|TLV|1-... +|=== + +This message is used to forward MO short messages from MSC / SGSN to an SMSC. +The corresponding MAP service is MAP-MO-FORWARD-SHORT-MESSAGE, +see 3GPP TS 29.002, section 12.2. + +==== MO-forwardSM Error + +Direction: SMSC (via HLR) => MSC / SGSN + +[options="header",cols="5%,45%,20%,10%,10%,10%"] +|=== +|IEI|IE|Type|Presence|Format|Length +| |Message Type|<<gsup-ie-msgtype>>|M|V|1 +|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10 +|40|SM-RP-MR (Message Reference)|<<gsup-ie-sm-rp-mr>>|M|TLV|1 +|44|SM-RP-Cause (Cause value)|<<gsup-ie-sm-rp-cause>>|M|TLV|1 +|43|SM-RP-UI (diagnostic field)|<<gsup-ie-sm-rp-ui>>|O|TLV|1-... +|=== + +This message is used to indicate a negative result of an earlier +MO short message delivery. The corresponding MAP service is +MAP-MO-FORWARD-SHORT-MESSAGE, see 3GPP TS 29.002, section 12.2. + +==== MO-forwardSM Result + +Direction: SMSC (via HLR) => MSC / SGSN + +[options="header",cols="5%,45%,20%,10%,10%,10%"] +|=== +|IEI|IE|Type|Presence|Format|Length +| |Message Type|<<gsup-ie-msgtype>>|M|V|1 +|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10 +|40|SM-RP-MR (Message Reference)|<<gsup-ie-sm-rp-mr>>|M|TLV|1 +|=== + +This message is used to indicate a successful result of an earlier +MO short message delivery. The corresponding MAP service is +MAP-MO-FORWARD-SHORT-MESSAGE, see 3GPP TS 29.002, section 12.2. + +==== MT-forwardSM Request + +Direction: SMSC (via HLR) => MSC / SGSN + +[options="header",cols="5%,45%,20%,10%,10%,10%"] +|=== +|IEI|IE|Type|Presence|Format|Length +| |Message Type|<<gsup-ie-msgtype>>|M|V|1 +|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10 +|40|SM-RP-MR (Message Reference)|<<gsup-ie-sm-rp-mr>>|M|TLV|1 +|41|SM-RP-DA (Destination Address)|<<gsup-ie-sm-rp-da>>|M|TLV|2-... +|42|SM-RP-OA (Originating Address)|<<gsup-ie-sm-rp-oa>>|M|TLV|2-... +|43|SM-RP-UI (SM TPDU)|<<gsup-ie-sm-rp-ui>>|M|TLV|1-... +|45|SM-RP-MMS (More Messages to Send)|<<gsup-ie-sm-rp-mms>>|O|TLV|1 +|=== + +This message is used to forward MT short messages from an SMSC to MSC / SGSN. +The corresponding MAP service is MAP-MT-FORWARD-SHORT-MESSAGE, +see 3GPP TS 29.002, section 12.9. + +==== MT-forwardSM Error + +Direction: MSC / SGSN => SMSC (via HLR) + +[options="header",cols="5%,45%,20%,10%,10%,10%"] +|=== +|IEI|IE|Type|Presence|Format|Length +| |Message Type|<<gsup-ie-msgtype>>|M|V|1 +|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10 +|40|SM-RP-MR (Message Reference)|<<gsup-ie-sm-rp-mr>>|M|TLV|1 +|44|SM-RP-Cause (Cause value)|<<gsup-ie-sm-rp-cause>>|M|TLV|1 +|43|SM-RP-UI (diagnostic field)|<<gsup-ie-sm-rp-ui>>|O|TLV|1-... +|=== + +This message is used to indicate a negative result of an earlier +MT short message delivery. The corresponding MAP service is +MAP-MT-FORWARD-SHORT-MESSAGE, see 3GPP TS 29.002, section 12.9. + +==== MT-forwardSM Result + +Direction: MSC / SGSN => SMSC (via HLR) + +[options="header",cols="5%,45%,20%,10%,10%,10%"] +|=== +|IEI|IE|Type|Presence|Format|Length +| |Message Type|<<gsup-ie-msgtype>>|M|V|1 +|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10 +|40|SM-RP-MR (Message Reference)|<<gsup-ie-sm-rp-mr>>|M|TLV|1 +|=== + +This message is used to indicate a successful result of an earlier +MT short message delivery. The corresponding MAP service is +MAP-MT-FORWARD-SHORT-MESSAGE, see 3GPP TS 29.002, section 12.9. + === Information Elements [[gsup-ie-msgtype]] @@ -534,6 +641,12 @@ service is successfully activated or deactivated, etc. |0x20|Supplementary Service Request |0x21|Supplementary Service Error |0x22|Supplementary Service Result +|0x24|MO-forwardSM Request +|0x25|MO-forwardSM Error +|0x26|MO-forwardSM Result +|0x28|MT-forwardSM Request +|0x29|MT-forwardSM Error +|0x2a|MT-forwardSM Result |=== [[gsup-ie-ipaddr]] @@ -760,6 +873,12 @@ IEI that shall be used for the encoding. |0x30|Session ID|<<gsup-ie-session-id>> |0x31|Session State|<<gsup-ie-session-state>> |0x35|Supplementary Service Info|<<gsup-ie-ss-info>> +|0x40|SM-RP-MR (Message Reference)|<<gsup-ie-sm-rp-mr>> +|0x41|SM-RP-DA (Destination Address)|<<gsup-ie-sm-rp-da>> +|0x42|SM-RP-OA (Originating Address)|<<gsup-ie-sm-rp-oa>> +|0x43|SM-RP-UI (SM TPDU)|<<gsup-ie-sm-rp-ui>> +|0x44|SM-RP-Cause (RP Cause value)|<<gsup-ie-sm-rp-cause>> +|0x45|SM-RP-MMS (More Messages to Send)|<<gsup-ie-sm-rp-mms>> |=== [[gsup-ie-empty]] @@ -952,3 +1071,97 @@ transacrion, i.e. initiate, continue or terminate it. |0x02|CONTINUE|Used to continue an existing session |0x03|END|Used to terminate an existing session |=== + +[[gsup-ie-sm-rp-mr]] +==== SM-RP-MR (Message Reference) + +According to TS GSM 04.11, section 8.2.3, every single message on the +SM-RL (SM Relay Layer) has a unique _message reference_, that is +used to link an _RP-ACK_ or _RP-ERROR_ message to the associated +(preceding) _RP-DATA_ or _RP-SMMA_ message transfer attempt. + +In case of TCAP/MAP, this message reference is being mapped to the +_Invoke ID_. But since GSUP has no _Invoke ID IE_, and it is not +required for other applications (other than SMS), a special +<<gsup-ie-sm-rp-mr>> is used to carry the message reference +value \'as-is' (i.e. in range 0 through 255). + +[[gsup-ie-sm-rp-da]] +==== SM-RP-DA (Destination Address) + +This IE represents the destination address used by the short message service +relay sub-layer protocol. It can be one of the following: + +* IMSI (see 3GPP TS 29.002, clause 7.6.2.1); +* MSISDN (see 3GPP TS 29.002, clause 7.6.2.17); +* service centre address (see 3GPP TS 29.002, clause 7.6.2.27). + +Coding of this IE is described in <<gsup-sm-rp-oda>>. +See 3GPP TS 29.002, section 7.6.8.1 for details. + +[[gsup-ie-sm-rp-oa]] +==== SM-RP-OA (Originating Address) + +This IE represents the originating address used by the short message service +relay sub-layer protocol. It can be either of the following: + +* MSISDN (see 3GPP TS 29.002, clause 7.6.2.17); +* service centre address (see 3GPP TS 29.002, clause 7.6.2.27). + +Coding of this IE is described in <<gsup-sm-rp-oda>>. +See 3GPP TS 29.002, section 7.6.8.2 for details. + +[[gsup-sm-rp-oda]] +==== Coding of SM-RP-DA / SM-RP-OA IEs + +Basically, both <<gsup-ie-sm-rp-da>> / <<gsup-ie-sm-rp-oa>> IEs +contain a single TV of the following format: + +.Coding of SM-RP-DA / SM-RP-OA IEs +[options="header",cols="5%,5%,10%,80%"] +|=== +|Field|Presence|Length|Description +|T|M|1|Identity type +|V|O|...|Encoded identity itself +|=== + +where the identity type can be one of the following: + +.Identity types of SM-RP-DA / SM-RP-OA IEs +[options="header",cols="15%,85%"] +|=== +|Type|Description +|0x01|IMSI (see 3GPP TS 29.002, clause 7.6.2.1) +|0x02|MSISDN (see 3GPP TS 29.002, clause 7.6.2.17) +|0x03|Service centre address (see 3GPP TS 29.002, clause 7.6.2.27) +|0xff|Omit value for noSM-RP-DA and noSM-RP-OA +|=== + +[[gsup-ie-sm-rp-ui]] +==== SM-RP-UI (SM TPDU) + +This IE represents the user data field carried by the short message service +relay sub-layer (i.e. SM-TL (Transfer Layer)) protocol. In case of errors +(i.e. MO-/MT-forwardSM Error messages), this IE may contain optional +diagnostic field payload from _RP-ERROR_ message. + +See 3GPP TS 29.002, section 7.6.8.4 for details. + +[[gsup-ie-sm-rp-cause]] +==== SM-RP-Cause (RP Cause value) + +According to TS GSM 04.11, _RP-Cause_ is a variable length element always +included in the _RP-ERROR_ message, conveying a negative result of an +_RP-DATA_ message transfer attempt or _RP-SMMA_ notification attempt. + +The mapping between error causes in TS GSM 04.11 and TS GSM 09.02 (MAP) +is specified in TS GSM 03.40. But since GSUP has no generic _User Error IE_, +and it is not required for other applications (other than SMS), a special +<<gsup-ie-sm-rp-cause>> is used to carry the cause value \'as-is'. + +[[gsup-ie-sm-rp-mms]] +==== SM-RP-MMS (More Messages to Send) + +This is an optional IE of MT-ForwardSM-Req message, that is used by SMSC +to indicate that there are more MT SMS messages to be sent, so the network +should keep the RAN connection open. See 3GPP TS 29.002, section 7.6.8.7. |