22 lines
685 B
Plaintext
22 lines
685 B
Plaintext
msc {
|
|
hscale=2;
|
|
UE, MME, VLR [label="MSC/VLR"], HSS [label="HSS/HLR"], SMSC;
|
|
|
|
UE box HSS [label="EPS/IMSI attach procedure"];
|
|
...;
|
|
UE box MME [label="UE triggered Service Request"];
|
|
UE => MME [label="UL NAS Transport"];
|
|
MME => VLR [label="SGsAP UPLINK UNITDATA\n(CP-DATA/RP-DATA/TPDU)"];
|
|
VLR => SMSC [label="MAP/GSUP Forward SM"];
|
|
MME <= VLR [label="SGsAP DOWNLINK UNITDATA"];
|
|
UE <= MME [label="DL NAS Transport"];
|
|
...;
|
|
|
|
VLR <= SMSC [label="Delivery Report"];
|
|
MME <= VLR [label="SGsAP DOWNLINK UNITDATA"];
|
|
UE <= MME [label="DL NAS Transport"];
|
|
UE => MME [label="UL NAS Transport"];
|
|
MME => VLR [label="SGsAP UPLINK UNITDATA"];
|
|
MME <= VLR [label="SGsAP RELEASE REQ"];
|
|
}
|