Performance and Features

• Support H.323 v4,compatible with most H.323 v1-v4 system and devices
• Built in H.323 proxy support to pass NAT
• Support MGCP RFC2705
• Support SIP RFC3261
• Support Net2phone private protocol
• Fast start and H.245 tunneling
• Outband DTMF transmit by H.245 user input or Q.931 keypad
• IEEE 802.3 /802.3 u 10 Base T / 100Base TX
• Major G.7XX and gsm610 audio codec
• Caller ID send and receive by Q.931
• Provide direct IP address to IP address call mode, direct PSTN call by a voice gatewayE.164 phone number call under the mode of GK
• Automatically gatekeeper discovery in LAN
• Call PSTN by ITSP¡¯s prepaid card (eTalk,italk,ringtec etc)
• DHCP support for automatically assign IP address and others relevant parameters
• PPPoE support for ADSL or Cable modem
• Setting IP Net Phone parameters by standard web browser (such as IE6.0), phone keypad or standard telnet
• Upgrade program by FTP mode
• Support G.723.1 5.3k/6.3k£¬G.729£¬G.711 A-Law¡¢¦Ì-Law audio codec algorithm
• Dynamic voice detection Echo cancellation Comfort noise generation
• Dynamic voice jitter buffer which minimize effect to the voice caused by the audio delay and jitter and as a result the quality of voice is high
• Tone generation and Local DTMF generation and detection according with ITU-T
• E.164 dial plan and customized dial rules
• 40 entries each for missed call, answered call and dialed call
• 112 entries for quick dial
• 16 entries for voice message
• Settings by HTTP web browser (IE6.0)
• Advanced settings by Telnet
• Voice prompt
• Upgrade by TFTP

Main Technical Index

• Main chip: 50Mhz
• Data storage:2MB SDRAM
• Program memory: 1MB Flash memory
• Application Network environment: 10Base-T/100Base-T
• Echo cancellation:G165 16ms
• Store quick dial number: 100
• Record phone number of missed call:80
• Power loss:2.7W(max)
• Power adapter: input AC 220V,output DC 9V 500mA
• Employing condition:
  Ambience temperature 0-40¡æ£¨32-104¡ãF£©
  Relative humidity 10-95%
  Atmosphere pressure 86-106Kpa
• Overall size:113 x 80 x 28 mm (L x W x H)