(Telephony API) A programming interface from Microsoft and Intel that allows Windows client applications to access voice services on a server. TAPI was designed to provide interoperability between PCs and telephone equipment, including phone systems and PBXs. See JTAPI.
A specification for a computer telephony API developed jointly by Microsoft and Intel in response to the problems associated with Telephony Services Application Programming Interface (TSAPI). As an integral part of Microsoft's Windows Open Services Architecture (WOSA), TAPI runs in Microsoft Windows Server 2003, Windows XP, and Windows NT/2000 environments. See also API, computer telephony, TSAPI, and WOSA.
(computing, Microsoft Windows) Telephony Application Programming Interface.