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BTS

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  1. HLR 3G All IP Network MCA (MM/CCA/PRC) ICG BTS BSC/ PCF SG PSTN/ PLMN TG VFS BTS Internet/ Intranet PDSN BSC/ PCF BTS Logical Peer to Peer Connection - Phase I Legacy MSC

  2. HLR MSC BS/PCF 3G-legacy network Aquater GW 3G All IP Network MCA (MM/CCA/PRC) HLR ICG BSC/ PCF SG BTS VFS PSTN/PLMN IP network TG BTS Internet/ Intranet PDSN BSC/ PCF BTS Physical Connection - Phase I

  3. AAA/HA End to End VoIP Service over Phase I Network PSTN MCA (MM/CCA/PRC) HLR BSC/ PCF ICG BTS SG VFS Gateway IP network TG BTS End IP Host 2 Internet SIP server H.323 terminal or SIP client BSC/ PCF BTS Gate Keeper PDSN End IP Host 1 Mobile H.323 terminal or SIP client 3G-All IP H.323 terminal or SIP client

  4. HLR 3G All IP Network MCA (MM/CCA/PRC) ICG SG PSTN/ PLMN TG VFS Internet/ Intranet PDSN Logical Peer to Peer Connection - Phase II BTS RRC SDU PCF BTS RRC SDU PCF BTS

  5. HLR MSC BS/PCF 3G-legacy network Aquater GW 3G All IP Network MCA (MM/CCA/PRC) HLR ICG RRC SG BTS VFS PSTN/PLMN IP network TG BTS Internet/ Intranet PDSN SDU PCF BTS Physical Connection - Phase II