How to Install Multi-Line TAPI
To install the 3CX Multi-Line TAPI for use with your 3CX Desktop App follow the instructions below.
- Download the installer from here or login to your 3CX Desktop App and go to Settings >> Integration.
- Run the installer. Specify the extension numbers followed by the names of the users who have these extensions. Press Next to continue and complete the installation.
- Start making calls from your TAPI enabled app using 3CX Desktop App.
Adding more lines
If you need to add more lines to your TAPI installation, edit the following configuration file:
C:\ProgramData\3CXMultiLineTapi\3CXTapi.ini
Editing this configuration file is very easy. Just follow the same structure, adding as many lines as you need, one line per extension:
Extension Number,Name
After all modifications are done, save the file and exit. Ensure that the file is saved in UTF-8 encoding so press “Save as” and toggle the encoding to UTF-8 before pressing Save.
For the changes to come into effect, the Windows “Telephony” service needs to be restarted.
Note that after this you will need to restart your 3CX Desktop App.
Note: The above shows 5 users - 103, 106, 105, 107 and 104.. It is important that on Line 1 (the session of Jack Horacio), TAPI is configured to work with the entry of extension 103 - Jack Horacio, and the 3CX Desktop App is provisioned with extension 103. If the 3CX Desktop App is configured with an extension number that does not match the selected TAPI line, TAPI will not work and you will get an “an invalid TAPI handle” error.
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