add SGs / CSFB related dot + msc files
Those graphs + message sequence charts are not yet used by any of our manuals, but they should become used by the OsmoMSC user manual once SGs interface support is added. Related: OS#2583 Change-Id: Idfd3a66c18131b5458d183b8e66f62eaaab65991
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msc {
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UE, MME, VLR [label="MSC/VLR"], HSS [label="HSS/HLR"];
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UE => MME [label="Attach Request"];
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UE box HSS [label="Steps 3..16 of LTE Attach procedure TS 23.401"];
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MME box MME [label="Derive VLR Number"];
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MME => VLR [label="LU Request"];
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VLR box VLR [label="Create SGs Association"];
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VLR box HSS [label="MAP/GSUP UL / ISD"];
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MME <= VLR [label="LU Accept"];
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UE box HSS [label="Steps 17..16 of LTE Attach procedure TS 23.401"];
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|||;
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...;
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MME <= VLR [label="Paging Request"];
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}
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msc {
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hscale=2;
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UE, ENB [label="eNodeB"], BSS, MME, VLR [label="MSC/VLR"], HSS [label="HSS/HLR"];
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UE => MME [label="NAS Extended Service Request"];
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ENB <= MME [label="S1-AP UE Context Mod Req with CSFB"];
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ENB => MME [label="S1-AP UE Context Mod Resp"];
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UE <= ENB [label="NACC (Network Assisted Cell Change)"];
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ENB => MME [label="S1-AP S1 UE Context Release Req"];
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UE box MME [label="S1 UE Context Release"];
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UE box HSS [label="UE changes RAT then LA and/or RA update"];
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UE <=> HSS [label="PS Suspend (TS 23.060)"];
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UE => BSS [label="CM SERV REQ"];
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BSS => VLR [label="COMPL L3 (CM SERV REQ)"];
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UE <=> VLR [label="Normal 2G Voice Call"];
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}
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msc {
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hscale=2;
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UE, MME, VLR [label="MSC/VLR"], HSS [label="HSS/HLR"], SMSC;
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UE box HSS [label="EPS/IMSI attach procedure"];
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...;
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UE box MME [label="UE triggered Service Request"];
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UE => MME [label="UL NAS Transport"];
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MME => VLR [label="SGsAP UPLINK UNITDATA\n(CP-DATA/RP-DATA/TPDU)"];
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VLR => SMSC [label="MAP/GSUP Forward SM"];
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MME <= VLR [label="SGsAP DOWNLINK UNITDATA"];
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UE <= MME [label="DL NAS Transport"];
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...;
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VLR <= SMSC [label="Delivery Report"];
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MME <= VLR [label="SGsAP DOWNLINK UNITDATA"];
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UE <= MME [label="DL NAS Transport"];
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UE => MME [label="UL NAS Transport"];
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MME => VLR [label="SGsAP UPLINK UNITDATA"];
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MME <= VLR [label="SGsAP RELEASE REQ"];
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}
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msc {
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hscale=2;
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UE, ENB [label="eNodeB"], BSS, MME, VLR [label="MSC/VLR"], PSTN;
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VLR <= PSTN [label="ISUP IAM or SIP INVITE"];
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MME <= VLR [label="SGsAP PAGING REQUEST"];
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ENB <= MME [label="Paging"];
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UE <= MME [label="Paging"];
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UE => MME [label="Extended Service Req"];
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MME => VLR [label="SGsAP SERVICE REQUEST"];
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ENB <= MME [label="Initial UE Ctx Setup"];
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UE => BSS [label="Paging Response"];
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BSS => VLR [label="COMPL L3 (PAGING RESP)"];
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UE <=> VLR [label="Normal 2G Voice Call"];
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}
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msc {
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hscale=2;
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UE, MME, VLR [label="MSC/VLR"], HSS [label="HSS/HLR"], SMSC;
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UE box HSS [label="EPS/IMSI attach procedure"];
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...;
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VLR <= SMSC [label="MAP/GSUP ForwardSM"];
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MME <= VLR [label="SGsAP PAGING"];
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UE <= MME [label="Paging"];
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UE box MME [label="Service Request"];
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MME => VLR [label="SGsAP SERVICE REQ"];
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MME <= VLR [label="SGsAP DL UNITDATA\n(CP-DATA/RP-DATA/TPDU)"];
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UE <= MME [label="DL NAS Transport"];
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UE => MME [label="UL NAS Transport"];
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MME => VLR [label="SGsAP UL UNITDATA"];
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...;
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UE => MME [label="UL NAS Transport"];
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MME => VLR [label="SGsAP UL UNITDATA"];
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VLR => SMSC [label="Delivery report"];
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MME <= VLR [label="SGsAP RELEASE REQ"];
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}
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