18 lines
498 B
Plaintext
18 lines
498 B
Plaintext
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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