Sell VoIP Ata
Product Origin:China
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Description: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 32-bit embed MCU + DSP technology to ensure superior audio quality Advanced adaptive jitter buffer control, packet delay and loss concealment technology Line echo cancellation: G.168 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 CNG (comfort noise generation) Support silence suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line echo cancellation (G.168), and AGC(Automatic Gain Control)
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