Sell VoIP Gateway

Place of Origin	China

Model No.:GW202A
Product Origin:China
Brand Name:
Price Terms:FOB
Payment Terms:
Certification:
Description:Features: 1) Network protocol: a) SIP V1 (RFC2543), V2 (RFC3261), IP / TCP / UDP / RTP / RTCP b) IP / ICMP / ARP / RARP / SNTP, TFTP client / DHCP client / PPPoE client c) Telnet / HTTP server, DNS client, NAT / DHCP server 2) Codec a) G.711: 64Kbps (PCM), G.723.1: 6.3 / 5.3Kbps b) G.726: 16 / 24 / 32 / 40Kbps (ADPCM), G.729A: 8Kbps (CS-ACELP) c) G.729B: adds VAD and CNG to G.729 3) Voice quality: a) VAD: voice activity detection, CNG: comfortable noise generator b) LEC: line echo canceler, packet loss compensation adaptive jitter buffer 4) Call function: call hold, call waiting, call forward, caller ID, 3-way conference 5) DTMF function 6) Tone: ring tone ring back tone, dial tone, busy tone, programming tone 7) Phone function: volume adjustment, speed dial key, phone book and flash 8) IP assignment: static IP, DHCP, PPPoE 9) Security: a) HTTP 1.1 basic / digest authentication for Web setup b) MD5 for SIP authentication (RFC2069 / RFC 2617) 10) QoS, ToS field 11) NAT traversal: stun 12) Configuration: web browser, console / telnet, IVR / keypad 13) Electric specifications: a) Voltage: 12V DC b) Power adapter: DC 12V/500mA c) Network interface: 1 RJ-45 Ethernet connectors d) Tel interface: 2