GPRS ( ) PLMN - .
" " - PLMN GPRS PLMN GSM Gs-. Gs- MSC/VLR SGSN ( GPRS). SGSN Gs- . " GPRS PLMN " " D900/D1800)".
PLMN GSM/GPRS, Gs-, , .. GPRS . ,
/
()
PLMN GPRS. SGSN MSC/VLR .
Gs- , SGSN , . . GSM.
(MS) , (MS) . Gs- , (MS) , , .
Gs-
Gs-. Gs- . Gs- MSC/VLR , , . "Siemens" :
3.34 Gs‑ VLR.
" Gs-": ‑ Gs‑ VLR "Gs-". "Gs-" -.
" LA-Gs": MSC/VLR " " Gs‑, Gs‑ " LA-Gs".
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" Gs": " " Gs‑ SGSN Gs‑ " Gs".
3.35 .
- . MS (BSS) MS, (SSS). , , , , , . , , . BSS . . 3.35 .
. .