, , :
" TMSI" "TMSI "
VLR
VLR HLR VLR . HLR "MS VLR".
(MTC) HLR . MSRN HLR VLR , GSM .
" VLR" VLR . ( MS (TPMP)) , , VLR, . " VLR" " MS" VLR.
VLR . , HLR VLR .
3.6.16 IN/CAMEL: VLR
"IN/CAMEL: VLR" PLMN VLR . VLR, IN/CAMEL. VLR .
CAMEL IN CAMEL , PLMN. IN/CAMEL CAMEL (CSI). CSI VMSC CAMEL CAMEL. HLR CSI VLR. GSM, CAMEL.
VLR (MCC) GSM + (MNC) PLMN :
1. PLMN.
GSM CAMEL. VLR CSI CAMEL.
2. PLMN , GSM, , PLMN, IN/CAMEL PLMN . VLR CSI CSI. HLR GSM , GSM.
HSCSD
HSCSD GSM .
.