4
Function
1. Provide a Backup SIP Server
2. Support NAT, Firewall
3. Support DHCP assigning IP address, etc automatically
4. Support PPPoE (used while connecting ADSL
,
cable modem)
5. It can update the program through HTTP, FTP and TFTP
6. Check the dynamic voice; Soft the noise; Buffer technique of voice
7. Hold Function
8. Hotline Function
9. Speed-dial
10. Call-forward, Three-way conference call
11. DND (Do Not Disturb), Black List, Limit List
12. Auto-answer.
13. Set through standard Web Browser
14. Remote Management Function
15. Classification management for common user
’
s password and super user
’
s
password.
16. Broadcast the IP address, Vlan ID, version number and phone number.
17. Cordless Handset, 1.9GHz Operation, with Handshake Technology
18. Support VLAN function
19. Call park function
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