Fax Service Architecture Overview

The following illustration provides an overview of the basic architecture of the fax service. The diagram includes hyperlinks to the service's application programming interfaces.

The fax service provider and fax routing extension dynamic-link libraries (DLLs) can be provided by Microsoft or by an original equipment manufacturer (OEM).

For more information about TAPI, see the Microsoft Telephony Overview and the Telephony Application Programming Interface (TAPI) Programmer's Reference. For more information about messaging services, see Enabling MAPI functionality in a fax client application, and the Messaging Application Programming Interface (MAPI) Programmer's Reference.