- Support Dynamic Host Configuration
- Support PPPoE（for ADSL, Cable Modem User）
- Phone Settings Configured Through Web Browser or Telnet
- FTP/Telnet remote upgrade
- Dynamic voice detection, comfort noise generation, dynamic voice buffer;
- G.165 16ms Echo cancellation
- ITU-T Standard Tone generation and Local DTMF generation and detection
- Out-band DTMF transmit by H.245 control string or Q.931 keypad
- E.164 dial plan and customized dial rules
- Phone book with 100 entries
- 80 entries each for missed call, answered call and dialed call;
- Handset and speaker volume adjustable
- Voice prompt
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- H.323 V4
- SIP RFC3261
- IEEE 802.3 /802.3 u 10 Base T / 100Base TX
- Audio codec algorithm: G.711A,G.711u,G.723.1(5.3k/6.3k) and G.729
- TCP/IP: Internet Transport and Control Protocol
- RTP: Real-time transport Protocol
- RTCP: Real-time Transport Control Protocol
- DHCP: Dynamic Host Configuration Protocol
- PPPoE: Point to Point Protocol Over Ethernet
- DNS: Domain Name Service
- Telnet: Remote Host log on Protocol
- FTP: File Transfer Protocol
- HTTP: Hyper Text transfer Protocol
- Build in H.323 proxy support
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