PLANET VGW-402 This is a 4-Port SIP VoIP Gateway (2*FXO + 2*FXS) that provides flexibility during migration to Unified Communications by supporting the traditional analog devices.
Internet Features
IPv4 (RFC 791) and IPv6
IPv6 auto configuration (RFC 4862)
IPv6 only, IPv4 only or dual stack
MAC clone setting
Vendor Class ID
DDNS (Planet DDNS, Easy DDNS, DynDNS)
DNS client
Firewall
URL / IP / MAC / Port Filter
Port forwarding (TCP, UDP or both)
Bandwidth control (download and upload), maximum bandwidth priority setting
SIP Applications
SIP Session Timer (RFC 4028)
SIP Session Refresher: UAC or UAS
SIP Encryption
Supports Outbound Proxy / STUN NAT Traversal
Supports Primary and Backup SIP Server
Call Features
Supports peer to peer dialing
2-line FXO connects to PSTN line
2-line FXS connects to analog phone set or PABX
Caller ID recognition DTMF (before/after 1st ring) and FSK (before 1st ring), ETSI and Bellcore
