ComISDN TAPI Service Provider is a plug-in solution enabling TAPI based applications to interface with CAPI 2.0 ISDN boards, VoIP Stacks and Intel Dialogic ISDN and analog station boards. ComISDN TSP provides advanced telephony features to build and deploy IVR, UMS and call center solutions on the ISDN and IP Networks.ComISDN TSP is available in Standard, Professional and Server edition.