PLANET VIP-880FO this is an 8-Port VoIP Gateway (8*FXO) - SIP/H323 Dual Protocol which is capable of handling both SIP and the H.323 calls and offers up to 4 registrations of the SIP proxy or H.323 Gatekeeper. It is also equipped with a four port Ethernet switch and built-in NAT router function that provides Internet access using only one IP address.
VoIP Features
H.323 / SIP dual mode communication
SIP 2.0 (RFC3261), H.323v4 compliant
Peer-to-Peer / H.323 GK / SIP proxy calls
PSTN lifeline for emergency calls for VIP-880/VIP-882
