Billions Bi PAC 7401V (G)P series is a compact package of Vo IP router series with powerful functionalities ideally designed for home & SOHO users to enjoy economical Vo IP calls while having the mobility & high-speed & safe Internet access. This router series integrated with a single FXS port means that you can make Vo IP calls simply by connecting the device to your regular telephone set. The additional FXO port enables you to make calls through PSTN Fixed-line while sharing a high-speed Internet access even faster. Rich Firewall security features such as SPI, Do S attack prevention, & URL Content Filtering are integrated to provide users unparalleled protection from hackers attack. The Quality of Service feature ensures a smooth net connection for inbound & outbound data with minimum traffic congestion. The Bi PAC 7401V (G)P complies with the most popular Vo IP industrial standard, SIP protocol, to ensure the interoperability with SIP devices & major Vo IP Gateways. By connecting the router with your existing telephone set, users can make cost-saving yet toll-quality Vo IP calls via ADSL Internet connection. The router integrates one RJ-11 FXO port for inbound & outbound calls transmitted through PSTN Fixed-line so that users can even receive phone calls from PSTN while enjoying Vo IP service at the same time. In addition, outgoing calls will be redirected to PSTN automatically when the Internet or Vo IP service is not available. The router also supports telephony features, such as call waiting, silence suppression, line echo cancellation, caller ID & so on. The router complies with ADSL worldwide standards. It supports downstream rate up to 12/24 Mbps with ADSL2/2+, 8 Mbps with ADSL & upstream rate up to 1 Mbps. With this technology, users enjoy not only high-speed ADSL services but also broadband multimedia applications such as interactive gaming, video streaming & real-time audio much easier & faster than ever. The Quality of Service (Qo S) featur