(IN) GSM-PLMN D900/D1800. , , IN ( /) ( /), . " ?" , , .
, IN:
M-SSP
SCP/SMP
, D900/D1800 , " " -SSP. SCP/SMP, , D900. (IN), .
M-SSP
(" / ") M-SSP
(. ) . SCP , , / AOC. SCP , , IN "" INAP ( ). INAP GSM, , , . , SCP -SSP .
( SCP) (AOCI) () IN GSM MOC. SCP , , . SCP -SSP INAP ( ). GSM IN-, , , .
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-SSP
, M-SSP . SCP.
" SCP " GSM, . , ( -, PPS), SCP GSM ( -SSP), IN ( SCP) . , , (PPS) (VPN), MCR SCP. " SCP -SSP" SCP , , -SSP.
" IN" IN , (, ). -SSP. PLMN , IN. , PPS .
, IN (M-SSP SCP), IN (, , IN) , IN M-SSP.
, GSM , IN ( , GSM IN), IN GSM (CF) M-SSP.
" MCR" MCR IN IN (, SCP , "" SCP ). GSM ( ), IN. IN , . , MCR, , IN.
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IN CAMEL CAMEL 1 2 (, (CRN) AoC (PPS) IN.
SCP/SMP ( )
SCP/SMP IN. SCP ( , M-SSP, SCP). SCP . , SCP . SCP SMP. .
GSM, IN (PPS, . 2.5.3.1), , SCP, , GSM. GSM , , SCP USSD DTMF. .