Descripción del producto

Support SIP 2.0, TCP/UDP/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 *2bit 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.**3, G.**9A/B, G.**1(a-law and u-law), G.**6(*0K/*2K/*4K/*6K). • 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 Noise Generation), Line Echo Cancellation(G.**8), and AGC(Automatic Gain Control)