23 lines
677 B
Plaintext
23 lines
677 B
Plaintext
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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