Sip Voip Gateway (NXD-2W)->VOIP Phone

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Sip Voip Gateway (NXD-2W)

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Telecommunications->Telephones->VOIP Phone

Product Specification

Brand	ESTONE
Size	2
Weight	2
Minimum Order	500
Payment Term	T/T ,L/C

Product Detail

Product: Sip Voip Gateway
Model number: NXD-2W
Sip Voip Gateway function Description:
Analog telephone adapters can be used by consumers to convert their plain old telephone service (POTS) phone or fax machine into a SIP Voice-over-Internet Protocol (VoIP) phone and begin taking immediate advantage of low-cost Internet telephony services. With this adapter, users simply plug their existing analog phone into an RJ11 socket on the adapter, and the adapter provides voice and tone to the POTS phone.

Sip Voip Gateway Key Features:
1. Support SIP2. 0, TCP/UDP/IP, RTP/RTCP, HTTP. ICMP. ARP, DHCP.
NTP/SNTP, TETP protocols.

2. Support STUN and symmetric RTP for NAT.

3. Interoperable with various 3rd party SIP end user device, Proxy/Registrar/Server, and gateway products.

4. Advanced 32bit embed MCU + DSP technology to ensure superior audio quality.

5. Advanced adaptive jitter buffer control, packet delay and loss concealment technology.

6. Support popular vocoders including G. 723, G. 729A/B, G. 711(a-law and u-law), G. 726(40K/32K/24K/16K).

7. Support standard voice feature such as Caller ID Display, Call Waiting, Transfer, in-band and out-of-band DTMF.

8. Support Silence Suppression, VAD(Voice Activity Detection), CNG(Comfort Noise Generation), Line Echo Can- cellation(G. 168), and AGC(Automatic Gain Control).

9. IP address if it is static, subnet and network gateway IP address, or user DHCP.

10. SIP proxy server IP address and any registration information.

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