Sell VOIP Phone (China (Mainland))

1. Standalone operation, no computer needed; 2. Uses broadband cable/XDSL or network connection for high quality voice over IP; 3. Supports Sip, H.323 v4, MGCP etc; 4. Large LCD screen display; 5. With Single/double RJ45 broadband socket; 6. With H.323 proxy server inside; 7. Startup H.245 tunnel quickly; 8. Supports H.245 and Q.931 keypad out-band DTMF transfering method; 9. Send and receive incoming caller ID with Q.931 protocol; 10. Supports calling directly to IP address; 11. Supports E.164 telephone number calling when gatekeeper used; 12. Search the gatekeeper in LAN automatically; 13. Supports calling to PSTN normal telephone with prepaid card issued by ITSP(net2phone, etalk etc. ); 14. Supports PPPoE(connect to internet with ADSL and cable modem); 15. User can set the phone with standard web browser(Internet explorer 6.0) or using telnet software; 16. Online software upgrade with ftp; 17. Supports G.723.15.3k/6.3k G.729, G.711A-Law, u- Law voice encoding and decoding Arithmetic; 18. Dynamic voice inspection, CNG(Comfort noise generation), Dynamic voice jitter buffer; 19. According with G.165 16ms echo counteraction; 20. According with ITU-T standard tone(dialing tone, busy tone etc. ) and DTMF tone generation and inspection; 21. Supports the dialing rule basing on E.164 coding; 22. Up to 112 groups of fast dialing numbers; 23.40 groups of incoming and outgoing numbers in memory; 24.16 groups of voice message; 25. Volume of handset adjustable; 26. Volume of speaker adjustable; 27. Voice guide.