ISDN E1 VoIP Media Gateway NC-MG900 with ISDN PRI/R2/CAS/Q.SIG/SS7/V5.2/DPNSS to SIP

What is a VoIP Gateway?

A VoIP gateway allows you to convert between a traditional telephony connection and a modern VoIP connection using SIP.

VoIP Media Trunk Gateway/E1 to SIP VoIP Gateway is digital VoIP gateway converts signaling/voice media between digital TDM connections and VoIP connections, which brings the cost savings of VoIP to your legacy PBX with the powerful combination of Niceuc VoIP Media Gateway. The gateway acts as a bridge connecting the legacy system through a PRI interface to SIP trunks through your existing internet connection. Niceuc Gateways instantly upgrade a legacy phone system, allowing it to use a SIP trunk out to an ITSP; and connects SIP Trunking to reduce long-term telephony costs by replacing traditional phone lines.

Niceuc VoIP media gateway is a cost effective and standards-compliant VoIP Media Trunk Gateway from E1/T1 to Ethernet, which is generally called TG (Trunking Gateway) or SG (Signaling Gateway) or VoIP Voice Gateway, designed for enterprise users and ITSP (Internet Telephony Service Provider) environments.

Three models NC-MG900 / NC-MG916 / NC-MG1000 locate on the interface of PSTN / TDM and IP network, providing signaling transformation between SS7, ISDN PRI, R2/CAS, Q.SIG, V5.2, DPNSS signaling and SIP Protocol, as well as perform the conversion between PSTN / TDM and VoIP SIP.

With modular design, it’s easily expandable from 1 to 52 E1/T1 ports.

Signaling and Protocol

·Signaling support: - SS7 (ITU-T Q.700 series), 24 bits/14 bits PC, ISUP/TUP; - ISDN PRI (ITU-T Q.931, Q.921); - V5.2 (ITU-T G.964, G.965); - R2/CAS ; - Q.SIG ; - DPNSS .

·VoIP protocol support: - SIP

RFC3326 (Reason header in SIP messages), RFC3372 (SIGTRAN and SIP-T), RFC2327 (sdp), RFC3398 (ISUP-SIP Mapping), RFC3261 (sip), RFC5806 (Diversion Indication in SIP), RFC2833 (DTMF), RFC3362 (t.38), RFC 3261(SIP 2.0), RFC3204 (MIME media types for ISUP and QSIG Objects), RFC3578 (Mapping of ISUP overlap to SIP).

·Codec:G.711 U-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,GSM,ARM, ILBC.

·Echo Cancellation: G.168 128 ms Network Echo Canceller.

·FAX: T30, T38 and pass through.

·Generic Voice Activity Detection (VAD), Generic Comfort Noise Generation (CNG), Calling control: Called/Calling party number translation; second stage dialing, Auto dialing with DTMF, Ring Back tone, DTMF, Caller ID, and Flexible input/output Gain Control.

·Network Protocol: IP, NAT, ICMP, ARP, HTTP, BOOTP, FTP, TFTP, DHCP, PPPOE, SNMP, Diff-Serv

1U device NC-MG900 has two slots for E1 card, 2U device NC-MG916 has four slots for E1 card, and 3.5U device NC-MG1000 has thirteen slots for E1 card;

All three models use the exactly same E1 card.

Specification of per E1 card:
-One independent IP address;
-8E1 / T1 ports;
-2 Ethernet ports (10/100/1000M Base-T) and 1 console ports (RS232 PORT);
-128 G.711 Channels;
-64 G.723, G.726, G.729 Channels;
-32 T.38 Fax Channels, 64 Conference Bridge;
-500 SIP Subscribers (All Niceuc VoIP Trunking Gateway can also work as IP PBX at same time)

Specification of VoIP E1 SS7 Gateway NC-MG900-208 itself:

About Us

Be a Manufacturer for 18 Years-One of the first movers in VoIP products in China
We are a professional Manufacturer and national high-tech enterprise in VoIP products from 2000 year.
We can open our registeration number to every customer. Register No.:91440300723031804W, if you like, you can use this number to trace and check our company and history in Chinese goverment official system.

Strong Independent R&D Capabilities
With strong independent R&D capabilities, we can make different kinds of development works according to customer's special requirements. Both OEM and ODM services are available.

Current Situation of R&D Department:

So Many Big Customers
So many big customers from all over the world have been buying our products because of stable and reliable quality.

Q: Are you trading company or manufacturer ?
A: We are factory in Telecom & VoIP products from 2000 year.

Q: How long is your delivery time?
A: Generally it takes 2 days only for one sample order; 3 days for an order with 2-5 uits; 5 days for an order with 10 units; 10 days for an order with 20 units, 20 days for an order with 50 units. Delivery time mainly depends on current stocks and production line.

Q: How long is warranty?
A: Usually warranty is one year. If you need, we can provide with 3-years warranty.

Q: How is the technical support?
A:  Free of charge by remote with 7*24 hours support for ever.

Q: How can I get a sample?
A: By placing an order or paying for a rent, then we will ship in 2 days by Express.

Q: What is your terms of payment?
A: Payment<=1000USD, 100% T/T in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.

Q: What is the best price you can offer?
A: The price is based on the order quantity. But for long cooperations, we will offer you our best price after your requirements is confirmed. We are sure you will be satisfied with it.

Q: Can you develop new functions for me?

A: Sure. Our company is a professional manufacturer and we have 18 years' history. We have strong and independent R&D capabilities.

Q: What is your MOQ?

A: Actually, our MOQ is 2 units, but considering further cooperations and sample test requirement, 1 unit for MOQ is acceptable.

Q: Do you provide OEM service?

A: Yes, OEM service in web configure page will be available for one sample (except IP Phone).