X-PRO TAPI - The First Fully Compatible TAPI Softphone for VOIP with Outlook Integration and Developers Interface.
Windows TAPI & Collaboration WebAPI | Wildix CEBP
Commercial Communications - TAPI Protocol TAPI (Telephony Applications Programming Interface) is a protocol developed by Microsoft for use with its Windows operating system to enable integration between Windows applications and telephony devices.
Imagicle :: Administration Guides and Knowledge Base - CTI, TAPI and TSP
TAPI troubleshooting
Where do I find the TAPI driver?
The Governance of the TAPI Pipeline: Political, Social, and Environmental Challenges - The National Bureau of Asian Research (NBR)
HowTo: Multi Site PBX CTI Control via TAPI | Wildix
Telephone Integration for Microsoft CRM 3.0 Capability Test
NetSuite Applications Suite - Setting Up TAPI Telephony Integration