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