CAMEL, 2, (. 2.9):
CAP SSP-SCP/CSE
MAP HLR-VLR
MAP HLR-SCP/CSE 2 USSD
(SRF)/ (IP) SCP/CSE CAP. SCP/CSE
MAP MSC SCP/CSE
2.9 CAMEL, 2.
CAMEL, 2
( )
CAMEL, 2, :
" (DP)" CAMEL .
SCP/CSE , (DTFM), . , , SCP/CSE , GSM. HPLMN. VPLMN.
, ( AoC), (CAI) SCP/CSE, SCP/CSE.
:
" "
CAMEL, 1, . SCP/CSE , (PPS). CAMEL, 2, . SCP/CSE . SCP/CSE SCP/CSE .
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" CSE (CAI)",
CSE PLMN GSM. GSM, AoC GSM. , CSE, , CAI.
" "
CSE , "" , PLMN (IPLMN)/ PLMN (VPLMN) .
" , CSE"
CSE VPLMN/IPLMN , . .
PLMN (HPLMN) (, ) CAMEL ( O-CSI). CAMEL, HPLMN, .
, , E.164.
USSD ( ) CAMEL ( ) VPLMN, .. GSM USSD SCP/CSE USSD SCP/CSE.
CAMEL USSD CAMEL (U-CSI). , HLR USSD CAMEL (UG-CSI) USSD SCP/CSE.
CAMEL ( CAMEL, 2):
1. GSM VPLMN, VPLMN , HPLMN, CAMEL, VPLMN.
2. GSM, CAMEL, 2, , 1, HPLMN , , CAMEL HPLMN , 1.
3. VPLMN, CAMEL 1. GSM MOC, , VPLMN SCP/CSE, VPLMN SCP/CSE, CAMEL . VPLMN CAMEL, 1, SCP/CSE , , GSM, , CSE , SCP/CSE.
4. IPLMN, CAMEL, 1. IPLMN SCP/CSE MTC, IPLMN SCP/CSE, CAMEL IPLMN. IPLMN CAMEL 1, SCP/CSE , , GSM, , CSE , , SCP/CSE.
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CAMEL, 2
( )
CAMEL, 2, :
(DP) CAMEL:
INAP CS-1. , , SCP/CSE (ticket) . SCP/CSE SSP.
HLR (, , , ) SCP/CSE.
, GSM 03.78, HPLMN. CAMEL 2 . CAMEL . , HPLMN HPLMN.
SCP/CSE , IN/CAMEL , . : , , , . , . , HPLMN HPLMN.
(FTN) ( ) HLR, , CAMEL (VPN), .
HLR "" SCP/CSE. , VPN. VPN CAMEL.
(), (, ) (, VPN) . , , , , . , .
" " (MPTY), SCP/SCE " ".
" " (MPTY) SCP/CSE. "", , .. . SS-CSI, . HLR. SS-CSI VLR/MSC, CAMEL, 2, , . " " VLR/MSC . , SS-CSI. SS‑CSI MPTY MSC SCP/CSE MAP. . SCP/CSE MSC. MSC .
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GSM 12.05.
CAMEL , . , , , (ticket) .
USSD 2 ( USSD 2 . " D900/D1800", " ", " ").
CF, SCP/CSE.
(, ) GMSC SCP/CSE .
GMSC "initial_DP" , SCP/CSE GMSC, VMSC.
(SOR)
CAMEL, 2, (SoA), SCP/CSE. CAMEL 1 , .
( "" CAMEL)
, CAMEL, "Siemens" :
, HPLMN VPLMN ( 2, . ).
HPLMN VPLMN IN/CAMEL. HPLMN . HPLMN SSP, HPLMN. GSM. HPLMN.
SMS-MO
SMS, HPLMN (SMS-MO). , VPLMN SMS-MO (. 2.5.4.1), SMS-MO . TS22 IN/CAMEL HPLMN. , VPN TS22 HPLMN, , TS22 . SMS-MO HPLMN.
VLR VLR GMSC
VLR GMSC , (T-CSI) IN/CAMEL . IN/CAMEL SCP/CSE , .. VLR. , HLR VLR, VLR HLR. VLR . VLR GMSC, . .
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CSI
MML , . VLR, .. O-CSI VLR.
CAMEL, 3
CAMEL, 3, CAMEL, 2.
PLMN GSM PLMN GPRS GPRS CAMEL, 3. GPRS PDP SMS MO GPRS. " D900/D1800", " GPRS PLMN ", " IN CAMEL GPRS PLMN ".
2.5.2 (SSP) + (CSC) PLMN GSM
IN CSC CSC PLMN IN . IN (. 2.10) . SSP MSC/VLR PLMN.
2.10 IN CSC PLMN IN.
CSC PSTN MSC PLMN. SSP CSC SSP .