Sell VoIP Gateway

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Description:Network Protocol SIP v1 (RFC2543), v2(RFC3261) IP/TCP/UDP/RTP/RTCP IP/ICMP/ARP/RARP/SNTP TFTP Client/DHCP Client/ PPPoE Client Telnet/HTTP Server DNS Client NAT/DHCP Server Codec G.711: 64k bit/s (PCM) G.723.1: 6.3k / 5.3k bit/s G.726: 16k / 24k / 32k / 40k bit/s (ADPCM) G.729A: 8k bit/s (CS-ACELP) G.729B: adds VAD & CNG to G.729 Voice Quality VAD: Voice activity detection CNG: Comfortable noise generator LEC: Line echo canceller Packet Loss Compensation Adaptive Jitter Buffer Call Function Call Hold Call Waiting Call Forward Caller ID 3-way conference DTMF Function Tone Ring Tone Ring Back Tone Dial Tone Busy Tone Programming Tone Phone Function Volume Adjustment Speed dial key Phone book Flash IP Assignment Static IP DHCP PPPoE Security HTTP 1.1 basic/digest authentication for Web setup MD5 for SIP authentication (RFC2069/ RFC 2617) QoS ToS field NAT Traversal STUN Configuration Web Browser Console/Telnet IVR/Keypad Electric Spec: Voltage: 12V DC Power adapter: DC 12V/500mA Network interface:1 RJ-45 Ethernet connectors Tel interface: 2 Model: Model Print UI FXS Life Line RJ45 GW200CN English Chinese 2 0 1 GW200EN English English 2 0 1