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8 port fxs gateway support SIP&H.323 protocal voip phone, voip telephony

voip telephony 1.8 port fxs gateway 2,ensure the speech hign quality 3,support VLAN&QoS 4,NAT Tarsvarsal

32 ports FXS/FXO gateway digital PABX system NC-AD300E with 1 or 2 E1

1)4~32 FXO+FXS; 2)Provide E1, FXO, FXS interface; 3)24 or 12 VoIP channel; 4)1 or 2 E1, signaling support: SS7. ISDN PRI

8 port E1 VoIP gateway with SIP 2.0 Protocol

1)Up to 8E1, optional 2)VoIP gateway from E1 to Ethernet 3)ISDN PRI,SS7,V5.2,R2,Q.SIG to SIP 4)ISDN E1 to IP converter