OpenVox B800P S/T BRI interface Card delivers great voice quality in the telephony systems. It turns your legacy ISDN BRI equipment into powerful Voice over IP devices and provides a soft migration path from ISDN technology to the new Voice over IP world. OpenVox B800P brings powerful ISDN BRI connectivity to your Linux machine. It comes with fully GPLed drivers for the Linux kernel. Multiple B800P can be interconnected over an external PCM bus. The Card"s active channel switching capability is also working over the external PCM bus. OpenVox B800P works with Asterisk, Elastix, FreeSWITCH, PBX in a Flash, trixbox, Yate and IPPBX/IVR projects as well as other Open Source and proprietary PBX, Switch, IVR, and VoIP gateway applications. Includes OpenVox SP124 RJ45-to-RJ45 Splitter Kit Operating Systems Linux (all versions, releases and distributions from 1.0 up)Certified by trixbox CE and Elastix Features Industry Standard PCI 2.2 bus interface supports 3.3V and 5V PCI slot operation 8 integrated S/T interfaces. The ports can be configured for TE or NT mode ITU-T I.4D and TBR 3 certified and S/T ISDN supporting in TE and NT mode DTMF detection on all B-channels Multiparty audio conferences bridge PCM bus connectors daisy chaining Supports BRIstuff, ISDN4BSD and mISDN drivers Supports trixbox, Elastix and other Asterisk based distributionsApplications ISDN BRI PBX (embedded) VoIP BRI Gateways ISDN LAN Routers for BRI ISDN Least Cost Routers for BRI ISDN Test Equipment for BRI PBX to PBX trunking