| Harald Welte | 732443c | 2018-10-05 23:42:14 +0200 | [diff] [blame] | 1 | msc { |
| 2 | hscale=2; |
| 3 | UE, ENB [label="eNodeB"], BSS, MME, VLR [label="MSC/VLR"], PSTN; |
| 4 | |
| 5 | VLR <= PSTN [label="ISUP IAM or SIP INVITE"]; |
| 6 | MME <= VLR [label="SGsAP PAGING REQUEST"]; |
| 7 | ENB <= MME [label="Paging"]; |
| 8 | UE <= MME [label="Paging"]; |
| 9 | |
| 10 | UE => MME [label="Extended Service Req"]; |
| 11 | MME => VLR [label="SGsAP SERVICE REQUEST"]; |
| 12 | ENB <= MME [label="Initial UE Ctx Setup"]; |
| 13 | |
| 14 | UE => BSS [label="Paging Response"]; |
| 15 | BSS => VLR [label="COMPL L3 (PAGING RESP)"]; |
| 16 | UE <=> VLR [label="Normal 2G Voice Call"]; |
| 17 | } |