- Support SIP2.0,TCP/IP,RTP/RTCP,HTTP,ICMP,ARP,DHCP,NTP/SNTP,TETP protocols
- Support STUN and symmetric RTP for NAT
- Interoperable with various 3rd party SIP end user device,Proxy/Registrar/Server, and gateway products.
- Advanced 32bit embed MCU + DSP technology to ensure superior audio quality.
- Advanced adaptive jitter buffer control, packet delay and loss concealment technology
- Support popular vocoders including G.723, G.729A/B, G.711(a-law and u-law), G.726
- Support standard voice feature such as Caller ID Display or Block, Call Waiting, Hold, Transfer, Forward, in-band and out-of-band DTMF, Dial Plans
- Support Silence Suppression, VAD(Voice Activity Detection), CNG(Comfort NoiseGeneration), Line Echo Cancellation(G.168), and AGC(Automatic Gain Control)
Universal Switching Power Adaptor: Input AC 220V/110V,Output DC 5V,1000mA
Line Echo Cancellation：G.168