Voip Media Trunk Gateway With Signaling Ss7, Pri

Following are the Main Specifications of VoIP Media Trunk Gateway with Signaling SS7, PRI :-
1)With 2 independent module and each module has 2 E1;
2)Support SIP, SS7, PRI, V5.2;
3)128 VoIP channels;
4)Echo Cancellation.
VoIP Media Trunk Gateway with Signaling SS7, PRI which contains 2 independent module (each module have 2 E1)supports SIP, H323, SS7, PRI. It can bridge packet networks to traditional voice network trunking facilities and include PSTN switch, and various enterprise PBX.
VoIP Media Trunk Gateway with Signaling SS7, PRI is a cost effective and standards-compliant Trunk Media Gateway, which is generally called TG/SG or VoIP Voice Gateway, it have traditional PBX feature and support soft-switching capabilities. This product not only link PSTN to IP network, but also help users who already have framework to create a better communications system (such as CRM,IVR ) .
Features
A.Signaling support:
-SS7 SS7 (ITU-T Q.700 series)
-ISDN-PRI(ITU-T Q.931, Q.921)
-V5.2(ITU-T G.964, G.965)
A.VoIP protocol support:
-SIP(RFC3261, RFC3362(T.38), RFC2833(DTMF));
-Code: G.711I -Law and A-Law, G.711 Appendix 1,G.723.1 and G.723.1 Annex A, G.729 Annex A and Annex B,G.726;
Function
A.Echo Cancellation: G.168 128 ms Network Echo Canceller;
A.FAX Support T38 and pass through;
A.Generic Voice Activity Detection (VAD);
A.Generic Comfort