Linksoft Technologies Ltd. provides customized software development and/or system integration service to assist clients in building small to large-scale IVR, switching systems, unified messaging, pre-paid / post-paid calling card platform, conferencing, fax-on-demand, VoIP gateway and gatekeeper, IP-PBX, and other telecom applications. We are particularly strong on deploying customized telecom software using resources from the open-source community such as Asterisk IP-PBX on a Linux platform or Open H.323 on a Windows platform. Sample applications include: - a customized prepaid/postpaid calling card system based on the open-source A2Billing platform- an Asterisk-based infotainment system with radio channels, chat rooms, and various interactive games and entertainment channels via the telephone- an Asterisk-based, van-location IVR system with web-based administration interface that allows van drivers to report their current location/status and to query their position in the dispatch qu