Shenzhen unichips is a expert manufactuer, main trade in VOIP phone, VOIP gateways, skype USB phone, Switch, Router, LAN card, IBM.
About VOIP phone details is following:
- H. 323 V4, MGCP, SIP, Net2phone private protocol
- Audio codec G. 711, G. 723, G. 729
- DHCP support for LAN or Cable modem
- PPPoE support for ADSL or Cable modem
- Set phone by HTTP web browser (IE6. 0) or Telnet
- Upgrade by FTP
- VAD(Voice active detect)
- CNG (Comfort noise generation)
- Dynamic voice jitter buffer
- G. 168/165 compliant 16ms echo cancellation
- Tone generation and Local DTMF re-generation according with ITU-T
- E. 164 dial plan and customized dial rules
- 100 entries for quick dial
- 80 entries each for missed calls, answered calls and dialed calls
- Adjustable volume for both handset and speaker
- Voice prompt
- Hotline
- Voltage: DC 12V~24V
- Power adapter: DC 12V/450mA
- Network interface: 1/2 RJ-45 Ethernet connectors