PLANET VIP-480FD This is a 4-Port VoIP Gateway (4*FXO) - SIP/H323 Dual Protocol with Caller ID supported and a complaint with both SIP and H.323 standard. This also provides total solution of integrating voice-data network and the Public Switched Telephone Network (PSTN). With it's advanced DSP processor (TI) and VoIP technology, it is capable of handling both SIP and H.323 calls, also providing up to 4 registrations to the SIP proxy or H.323 Gatekeeper. This is also equipped with four port Ethernet switch and NAT router function that enables users enjoy high quality voice calls and secure Internet access without interfering with routine activities.
