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How to Start/Stop Telephony

Service name: TapiSrv

Display name: Telephony


Description:

Provides Telephony API (TAPI) support for programs that control telephony devices on the local computer and, through the LAN, on
servers that are also running the service.


Path to executable:

C:\WINDOWS\System32\svchost.exe -k NetworkService -p

CMD:
This method shows you how to Start/Stop Telephony from Command Prompt

Perform the following steps:

Please go to Start and click on the Type here to search

Type cmd, right click on cmd icon under the Programs and click on Run as administrator

Services Regedit CMD Msconfig

Please confirm User Account Control pop-up

Please select, right and copy a registry key from below, then right click on command prompt window, select Paste and press Enter


To Start Telephony service:

net start TapiSrv

sc start TapiSrv


Note: You can’t start a service if Startup type is on Disabled.


To Stop Telephony service:

net stop TapiSrv

sc stop TapiSrv


To change Startup type:

Automatic:

REG add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrv" /v Start /t REG_DWORD /d 2 /f

sc config TapiSrv start= auto

Manual:

REG add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrv" /v Start /t REG_DWORD /d 3 /f

sc config TapiSrv start= demand

Disabled:

REG add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrv" /v Start /t REG_DWORD /d 4 /f

sc config TapiSrv start= disabled

Automatic (Delayed Start):

REG add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrv" /v Start /t REG_DWORD /d 2 /f

sc config TapiSrv start= delayed-auto


Note: When you change to Automatic (Delayed Start) a new key DelayedAutostart is created with value 1.

REG add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrv" /v DelayedAutostart /t REG_DWORD /d 1 /f


When you change to Automatic from Automatic (Delayed Start), DelayedAutostart change value to 0.

REG add "HKLM\SYSTEM\CurrentControlSet\services\TapiSrv" /v DelayedAutostart /t REG_DWORD /d 0 /f