IP0120/IP0121 User Manual
6
•
Support Silence Suppression, VAD (Voice Activity Detection), CNG
(Comfort Noise Generation) :
o
Silence suppression can save about half of the network bandwidth
needed during normal VoIP conversation.
•
Ping function supported :
o
Ping other device in the Internet from IP0120/IP0121 to make sure the
Internet connection is ok.
•
System status display on the LCD panel :
o
User can easily know if the IP0120/IP0121 is working normally and
monitor the system status(network status, registering status) from the
LCD panel display.
o
A “PKT Trace” function is supported to display the packets received
on the LCD panel to let administrator find the network problem on
line.
•
Call with or without gatekeeper / proxy(direct IP dialing) :
o
Following standard SIP / H.323 protocol and is compatible with most
of existing SIP proxy / H.323 gatekeeper.
•
Provide easy configuration methods:
o
Very easy setting by keypads on the phone set.
o
Setting by web browser.
•
Support RFC-3261, H.323, TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP,
DNS, DHCP, NTP/SNTP, FTP, PPP, PPPoE protocols.
•
Interoperable with most of the existing SIP/H.323 VoIP devices (IP-phone,
gateway, gatekeeper, proxy, soft-switch, IP-PBX), including Microsoft
NetMeeting, Cisco gateways / gatekeepers:
o
Please refer to the section 6.2/6.3 Interoperability List for the complete
listing.
•
The WAN Port automatically works for paralleled Ethernet cable and crossed
Ethernet cable.
