Features:

• Easy interface to ADSL/Cable Modem or Leased line equipment
• One 10BaseT Ethernet RJ-45 port
• Four Analog PSTN (FXO) RJ-11 ports
• Built-in Gatekeeper function
• Hot-Line function in GK and P2P Mode
• Support T.38/FAX and auto-switching functgion
• ITU-T H.323 v2, v3, v4 compliance
• Support SIP RFC 3261 protocol
• PPPoE
• Behind NAT Router or IP sharing device
• Automatically Gatekeeper Discovery
• Alternative Gatekeeper selection
• Provide Peer-to-Peer Mode (Non Gatekeeper needed) selection
• Support auto-attendant (Tone or voice greeting)
• Line hunting
• Caller ID (Bellcore or FSK) detection
• Provide 2nd dial tone to PSTN
• Intelligent Dial plan to PSTN calls
• DTMF detection/generation
• Support DNS server inquiry
• TFTP/FTP software upgrade
• Remote configuration/reset
• MS-Netmeeting v3.0 compatible
• Support Fix IP and DHCP
• Codec -- G.711 A/µ-law, G.723.1, G.729A, G.729
• G.168/165-compliant adaptive echo cancellation
• Dynamic Jitter Buffer
• Completed voice band signaling support
• Provide Inband or Outband DTMF generation / detection between LAN and PSTN interface
• Provide H.450 services (Hold, Transfer and Forward)
• Provide Progress Tone: Dial tone, busy tone, call-holding tone and ring-back tone
• TELNET/Console port and Web Browser configuration