Interface your applications to the telephone system. Dial calls automatically, perform actions in response to incomming calls, handle multiple lines and interface to switchboards.

Telephony Components by Black Ice Software

Fax C++/ActiveX Developement Toolkit 12.50

The FAX C++/ActiveX is designed to allow developers to combine Fax and Data. It is fully object oriented, and takes into account the new emerging technology in faxing communications. Developers can build black and white or color faxing applications within a few days using the Fax C++/ActiveX toolkit and can support a range of fax hardware platforms with a single application.

Telephony Components by BearWare.dk

TeamTalk 3 SDK V3.3.1 -  The TeamTalk 3 SDK provides users with a simple way to integrate a VoIP client into their existing applications.

Telephony Components by Objective Systems, Inc.

ASN1C 6.1

ASN1C can be used to generate messaging or data access code for protocols is used in many telephony applications. Telephony standards such as CSTA, H.323, SS7, 3G protocols, and GSM billing/roaming - TAP3 specify protocols in ASN.1.

Telephony Components by VoiceAngel (Soband Inc)

VoiceAngel V5.1

VoiceAngel is an ActiveX OCX to control TAPI compatible devices including a variety type of voice modems, voice boards and PBX in popular development environment like Visual Basic, Visual C++, Visual Foxpro, Delphi, C++Builder, Power Builder. It abstracts complex TAPI interface into simple and flexible property, methods and events. Just several lines of codes is needed to make your application work.

Telephony Components by Schmidt e-Services GmbH

activeTAPI-Developer V3.31.0.5 -  The activeTAPI-Developer is more then just a COM-Object for the Windows Telephony. It's a bunch of tools that will assist you during the whole lifecycle of your application. Its concept is powerful and it has some interesting unique features: The activeTAPI-COM-Object, Handle multiple lines and multiple calls, The COM-Object is an ActiveX-Server, The activeTAPI-Dialer, Troubleshooting TSP-Driver Problems and more!

activeTAPI-DyNav V4.01 -  activeTAPI-DyNav integrates CTI (Telephony) based on TAPI with Microsoft Dynamics Navision.

Telephony Components by conaito

VoIP Enterprise SDK V2.0 -  conaito VoIP Enterprise SDK (Service Development Kit) is an ultimate tool for developer to develop VoIP- (P2P telephony and conferences via internet protocol) and messaging applications (chat) or to integrate it into websites. The SDK enables a worldwide communication over the internet or intern networks either by speaking and/or by text messages. The conaito VoIP Enterprise SDK also makes the development of server and client applications possible.

VoIP Extended SDK V3.0 -  Our conaito VoIP Extended SDK (Service Development Kit) is an ultimate tool for developer to develop VoIP- (P2P telephony via internet protocol) and messaging applications (chat) or to integrate it into websites. The SDK enables a worldwide communication over the internet or intern networks either by speaking and/or by text messages.

VoIP Standard SDK V5.0 -  Our conaito VoIP Standard SDK (Service Development Kit) is an ultimate tool for developer to develop VoIP- (P2P telephony via internet protocol) and messaging applications (chat) or to integrate it into websites. The SDK enables a worldwide communication over the internet or intern networks either by speaking and/or by text messages.

Telephony Components by ExceleTel

ExceleTel TeleTools V3.7 -  TeleTools makes creating or adding telephony to applications easy! TeleTools works through Microsoft's Telephony API (TAPI) to provide hardware independence (the ability to work with telephony devices from many manufacturers). The benefits of TAPI are well-known, but if you have ever tried to write an application using the TAPI routines directly, or even gone through the Microsoft SDK, you can see how complex and difficult it can be. TeleTools simplifies TAPI and makes your project a snap.

TeleScope V3.7 -  TeleScope is the industry standard TAPI diagnostic, testing and operation utility. Existing as a stand alone application or integrated into TeleTools, TeleScope allows you to monitor and control a TAPI-compliant telephony device through a graphical user interface. Every event and change of state is logged using the event, method and property names of the TeleTools development environment. You have complete control over your line device, phone device and audio files.