The TAPIMaster® TAPI Line Watcher allows you to test the TAPI interface without special TAPI knowledge. It can give you a good overview of switch performance when you are buying a PBX and can show you which telephony functions the switch provides.

UltimateCallback is an ASP.NET server control to provide callback functionality in your web applications. This control allows you to make web pages more responsive by exchanging data with the server behind the scenes.

Start Your Own VOIP/CallCenter/Pc2phone/CallBack/CallingCard Business In 250$

Add AJAX functionality to your ASP.NET applications.

With Callback File System you can create your own file system within your application and expose this file system to Windows as a virtual disk.

You do not have any PBX and would like to install TAPIMaster ® nevertheless, however, on a trial basis? No problem. The Demo TAPI-Treiber emulates a PBX. More TAPI Tools you can find at the TAPIMaster® website.

KCallback.net Control, the most powerful, robust, callback control available in the market today for ASP.NET with AJAX support. Written in 100% managed C# code, KCallback.net provide callback functionality in your web applications.

TAPI Caller ID ActiveX 1.0 is an OCX control for software developers that can be use to get the caller id information from an incoming call, using TAPI and 56k modem. Includes visual basic and vb.net samples.