It provides Telephony API (TAPI) support for programs that control telephony devices. The telephony service enables applications to act as clients to telephony equipment such as PBXs, telephones, and modems.
It can also be used to IP based voice connections on the local computer and, through the LAN. Though it requires that the other computers also is running this service.
- Win2k/WinXP: svchost.exe -k netsvcs (TapiSrv)
- Win2k3: svchost.exe -k tapisrv (TapiSrv)
- Vista/Win7: svchost.exe -k NetworkService (TapiSrv)