blob: 7b453e0b527f486c73697b8a1d54f507f14a592f [file] [log] [blame]
Harald Welte732443c2018-10-05 23:42:14 +02001msc {
2 hscale=2;
3 UE, MME, VLR [label="MSC/VLR"], HSS [label="HSS/HLR"], SMSC;
4
5 UE box HSS [label="EPS/IMSI attach procedure"];
6 ...;
7
8 VLR <= SMSC [label="MAP/GSUP ForwardSM"];
9 MME <= VLR [label="SGsAP PAGING"];
10 UE <= MME [label="Paging"];
11 UE box MME [label="Service Request"];
12 MME => VLR [label="SGsAP SERVICE REQ"];
13 MME <= VLR [label="SGsAP DL UNITDATA\n(CP-DATA/RP-DATA/TPDU)"];
14 UE <= MME [label="DL NAS Transport"];
15 UE => MME [label="UL NAS Transport"];
16 MME => VLR [label="SGsAP UL UNITDATA"];
17 ...;
18 UE => MME [label="UL NAS Transport"];
19 MME => VLR [label="SGsAP UL UNITDATA"];
20 VLR => SMSC [label="Delivery report"];
21 MME <= VLR [label="SGsAP RELEASE REQ"];
22}