Table of Contents
Advertisement
Internet Telephony Gateway
VGW-400 Series
Vendor Class ID
IP/ICMP/ARP/RARP/SNTP
Static IP
DHCP Client (RFC 2131), WAN port
DHCP Server, LAN port
NAT Server (RFC 1631)
PPPoE Client / DNS Client / TFTP Client
DDNS (Planet DDNS, Easy DDNS, DynDNS)
Firewall
URL / IP / MAC / Port Filter
Application Program Filter
Port Forwarding (TCP, UDP or both)
Bandwidth control (download and upload), maximum bandwidth priority
setting
UPnP Server at LAN port
Behind NAT, use DMZ for NAT traversal
SNTP with time zone and Daylight Saving
TCP/UDP (RFC 793/768), RTP/RTCP (RFC 1889/1890), IPV4 ICMP (RFC
792)
VoIP VLAN Support 802.1Q, 802.1P
VLAN ID Range: 2 to 4094
VLAN Priority: 0 to 7 (Highest Priority)
QoS: DiffServ (RFC 2475), TOS (RFC791, 1394)
RFC3261 compliance
Supports up to 4 SIP Trunks to Register
SIP UDP Protocol
Supports SIP compact Form
Supports SIP HOLD Type: Send Only, 0.0.0.0 or inactive
SIP Session Timer (RFC 4028)
SIP Session Refresher: UAC or UAS
Voice Gateway
SIP Encryption
MD5 Digest Authentication (RFC2069/RFC2617)
Reliability of provision response PRACK (RFC3262)
Early/Delay Media support
Offer/Answer (RFC3264)
Message Waiting Indication (RFC3842)
Event Notification (RFC3265)
15
Advertisement
Table of Contents
