4
Function
1.
Support two SIP server working at the same time
2. Provide a Backup SIP Server
3.
Support NAT, Firewall
4. Support DHCP assign IP address, etc automatically
5. Support PPPoE（used while connecting ADSL，cable modem）
6. It can update the program through HTTP ,FTP and TFTP
7. Check the dynamic voice; Soft the noise; Buffer technique of voice
8.
Hold Function
9. Hotline Function
10. Speed-dial
11.
Call-forward
12. Caller ID display
13. DND(Do Not Disturb), Black List, Limit List
14. Auto-answer.
15. Set through standard Web Browser
16.
Remote Management Function
17.
Classification management for common user’s password and
superuser’s password.
18.
Broadcast the IP address and Vlan ID in voice
19.
Cordless Handset, 1.9GHz Operation, with Handshake Technology
Standard and Protocols
IEEE 802.3 /802.3 u 10 Base T / 100Base TX
PPPoE
DHCP Client and Server
Support G.711a/u,G729, G7231 5.3/6.3 audio Codec
SIP RFC3261, RFC 2543
Support IAX2
TCP/IP: Internet transfer and control protocol
RTP: Real-time Transport Protocol
RTCP: Real-time Control Protocol
VAD/CNG save bandwidth
Telnet: Internet's remote login protocol
DNS: Domain Name Server
TFTP: Trivial File Transfer Protocol
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