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

Description:
·NC-MG800-204 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.

·NC-MG800-204 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 ) .

Specialty:

·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)

·VoIP protocol support:

   -SIP(RFC3261, RFC3362(T.38), RFC2833(DTMF));    

   -Code: G.711µ-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;

·Echo Cancellation: G.168 128 ms Network Echo Canceller;
·FAX Support T38 and pass through;
·Generic Voice Activity Detection (VAD);
·Generic Comfort Noise Generation (CNG);

·Calling control: Called/Calling party number translation; second stage dialing, Autodialing with DTMF, Ring Back tone.

Capacity

 Application as follow shows:

Figure 1 ITSP to PSTN

Figure 2 VoIP net work for branches

Figure 3 Media gateway of IPCC

Figure 4 Conference Bridge Solution