Voip phone 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, iax2, net2phone etc protocol; 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+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
