1. 7 .
2. 7 ( 3).
3
ISUP, HUP, MAP |
.
1. 7.
7 , ( 3).
7:
- MTP ;
- SCCP ;
- TCAP ;
- MAP GSM;
- ISUP ;
- TUP ;
- MUP NMT;
- HUP NMT;
- INAP ;
- OMAP .
3 - 7
2. 7.
ISUP (Integrated Services User Part) ISDN. , , , ISDN.
, , 7, , (TUP), ISDN (ISUP).
ISDN, ISUP TUP DUP. ISUP TUP, . . ISUP : . / . , , , , .
, ISUP , TUP. ISUP .
NMT HUP (Handover User Part) MTX NMT-450 . HUP .
HUP 7 (-) () -4501. HUP , .
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HUP : (, ) - (, ).
HUP . - (SIF) , 40 .
Mobile Application Part (MAP). , , . MAP , , , , , , , .
MAP ; ; ; HLR, VLR; .
MAP -, , , MSC.
4