Avtapi.dll Error Message Solution

The application extension file avtapi.dll developed by Microsoft Corporation is considered as a Dynamic Link Library file integrated into the Microsoft Windows Operating System platform. The module file avtapi.dll is described as the TAPI 3.0 Dialer and IP Multicast Conference Viewer native to the Microsoft Windows Operating System environment. The file avtapi.dll is also a component of the executable file dialer.exe included in the Microsoft Windows Operating System Telephony Service.

The COM based Application Program Interface (API) utility TAPI with the use of the file avtapi.dll provides the functionality of merging standard and IP telephony technologies in order to run under the Microsoft Windows environment. Different application possibilities that can be harnessed by TAPI in conjunction with the file avtapi.dll is the functionality of voice calls using PSTN (Public Switched Telephone Network) in order to multicast multimedia IP conference using QOS or Quality of Service.

Multicast is a term attributed to the communication link between one sender and multiple receipts residing on the same network. Common usage of multicast features includes the update of mobile employees using a home office set up or the sending of online newsletters. Multicast also provides support for IPv6 (Internet Protocol Version 6) and wireless data networks via the CDPD (Cellular Digital Packet Data) technology. All these features are supported by the operating system with the use of library modules like the avtapi.dll file.

The Telephony Application Program Interface (TAPI) technology is a standard application supported by the file avtapi.dll which interfaces the user and the computer that creates a communication link using conventional telephone lines or the functionality of a video phone anywhere around the World. Four major components of TAPI supported by the module file avtapi.dll include the COM API, TAPI Server, TSP (Telephony Service Provider) and MSP (Media Stream Provider).

TAPISRV (TAPI Server process) conceptualizes TSPI from TAPI which provides backward compatibility for Telephony Service Providers where TAPISRV service is run inside the SVCHOST service of Microsoft Windows. The file avtapi.dll helps TSP to resolve protocols used in specific call control methods. MSPs with the use of files like avtapi.dll helps users to access media streams and supports DirectShow as the media stream handler. Versions and file sizes of the file avtapi.dll would vary depending on the version of the file installed and the Microsoft Windows Operating System platform hosting the module.

Avtapi.dll is created by:

Microsoft Corporation

Microsoft Support Site

Known file path:

C:\ WINDOWS\ System32\

What is a DLL?

Your operating system comes pre-installed with Microsoft DLL’s and most third party programs also install DLL’s.

DLL (Dynamic Link Library) is Microsoft’s implementation of the shared library concept. Meaning there’s a DLL library on your computer and each DLL can be shared among different Microsoft and third party programs. This shared library method helps your computer run faster by having fewer operations running at the same time.

When a DLL is missing or corrupt it may show an error message and programs may fail or crash.

Because DLL’s are shared, one missing or corrupt DLL may affect multiple programs on your computer.

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