Documents BSNL 3G Roll Out Rajeev Bansal DGM (GSM & 3G), ALTTC, Ghaziabad.

BSNL 3G Roll Out Rajeev Bansal DGM (GSM & 3G), ALTTC, Ghaziabad 3GPP Network Reference Model GMSC GMSC GGSN GGSN HLR HLR EIR EIR AUC AUC SCF SCF SMS - IWMSC SMS - IWMSC…