VoIP

Features: 1) Supports H.323 V4，MGCP 1.0, SIP etc., major H.323 V1 - V4 system 2) Supports DHCP auto IP address assignment 3) Can be configured by HTTP Web browser (such as IE) or Telnet 4) Upgrade by FTP 5) Dynamic voice detection, comfortable noise generation, dynamic voice jitter buffer 6) Tone generation and local DTMF re-generation according to ITU-T 7) E.164 dial plan and customized dial rules 8) 100 entries for quick dial 9) 80 entries each for missed calls, answered calls and dialed calls 10) Adjustable volume for both handset and speaker，voice prompt supported protocols and standards: a) IEEE 802.3 /802.3, u10 base T/100 base TX b) Major G.7XX and GSM610 audio codec c) H.323 MGPC and SIP communication protocol d) H.323 V4 standard e) MGCP RFC2705 f) SIP RFC3261 g) TCP/IP: transfer control protocol / internet protocol h) RTP: real–time transport protocol i) RTCP: real–time transport control protocol j) G.723.1.G.729 VAD / CNG which can save bandwidth k) G.165 16m echo cancellation l) DTMF tone detection and generation m) DHCP: dynamic host configuration protocol n) PPPoE: point-to-point protocol over Ethernet o) DNS: domain name service protocol p) Telnet: remote login protocol q) FTP: file transfer protocol r) HTTP: hyper text transfer protocol s) Build in H.323 proxy server t) Automatic proxy server search