Carousel is software to connect VoIP calls to ordinary telephone lines and vice versa using one of a number of professional telephony devices. It works as a virtual FXO gateway. You install it as a service on any Windows PC. SIP protocol VoIP calls will be directed out to standard PSTN analog lines through a telephony board.Typical Applications:~ To create a 1 to 12 FXO gateway to route VoIP SIP calls to ordinary phone lines. ~ To run a VoIP Based PBX (eg. Axon) when no SIP Gateway or Broadband provider is available. ie. Where you want to use VoIP to route calls in a office but where all external calls are still on ordinary telephone lines. ~ To use an existing LAN network to route calls from a Virtual PBX. Features:~ Uses the standard SIP protocol to connect to any VoIP based service, lines or PBX. ~ The number of simultaneous calls are limited only by your hardware (it is unlimited in the software). ~ Runs as a background service on any Windows 2000/XP/2003/Vista computer. No special server or server software is needed. ~ Supports both PCI Telephony Cards and USB Telephony Devices to connect to real phone lines. ~ Installs in just minutes.