(DRC) , (MMC) . GSM , ( ), , . MCR , , . .
MOC MTC DPPS. , PLMN , (, , -). DRC .
DRC GSM, MOC, (MMC) , PSTN, (CF). (ROA) ( ) PLMN. MOC CF , PLMN (, , PSTN).
DRC :
(C-ID)
, (CRN)
(CO)
(TC)
-ID CRN . -ID , CRN . CO , . 150 ( ).
CO MSC (MIC), .. , MSC. , , MSC (MMC), TC.
(. " SSS", 2, " ", " ").
(IACHASTA)
|
|
|
IACHASTA ( ) PLMN , .
:
GMSC PSTN/ISDN.
IACHASTA
IACHASTA , . , .
IACHASTA :
IACMET
( , ) .
IACAMA
( (tickets) )
. , , .
(. " SSS", 2, " ", " ").
