This high-performance card supports four Foreign Exchange Office (FXO) ports, enabling businesses to connect traditional phone lines to their IP-based communication infrastructure. The Allo 4FXO active analog card takes care of most operations on board, thus reducing the load on the CPU. Furthermore, it is detected as a network card in both Linux and Windows systems.Once the driver is installed in your system, you can start configuring the card through an easy-to-use interface and use it with your preferred PBX platform (3CX, Asterisk, Elastix…). Hardware DSP for Line Echo Cancellation (carrier grade 128ms) and transcoding is included.Key FeaturesCompatible with 3CX, Elastix, Asterisk, Trixbox, FreePBX, FreeSwitch and othersWindows/Linux compatible (all versions)On board 128ms hardware Line Echo Cancellation DSPOn board Transcoding (G711 ulaw/alaw, G722, G723.1, G729) DSPFour analogue ports (FXO or FXS)T.38 fax relayPre-configured for an almost plug-and-play experienceClean and easy-to-understand GUICaller ID supportedDTMF Digit Detection and Generation supportedSIP User Agent IETF RFC3261 compliantTarget ApplicationsVoice-over-Internet Protocol (VoIP) ServicesLegacy PBX ServicesComplex IVR TreesVoIP GatewaysCalling Card Platforms
