PLANET VGW-400FO This is a 4-Port SIP VoIP Gateway (4*FXO) that allows call to be transferred to anyone at any location within the voice system and supports Session Initiation Protocol 2.0 (RFC 3261) for easy integration with general voice over IP system.

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
• 4-line FXO connects to PSTN line
• Caller ID recognition DTMF (before/after 1st ring) and FSK (before 1st ring), ETSI and Bellcore
• DTMF Caller ID start and stop BIT configurable
• T.38 fax volume configuration

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)

NEW IN THE BOX
One Year Warranty