TSPI has various meanings in the Microsoft category. Discover the full forms, definitions, and usage contexts of TSPI in Microsoft.
The external interface of a service provider to be implemented by ven-dors of telephony equipment. A telephony service pro-vider accesses vendor-specific equipment through a standard device driver interface. Installing a service pro-vider allows Windows CE–based applications that use ele-ments of telephony to access the corresponding telephony equipment.
MicrosoftLast updated: