SIP TAPI integration is made using the freely available SIPTAPI application, a software allowing to have a TAPI driver to access your Cloud PBX.
http://sourceforge.net/projects/siptapi/
IMPORTANT The SIP TAPI integration is made by dialing your own extension and then connecting to the destination. It is important the “Recover VM messages dialing your own same number” is set to No. The following example has been made using version 0.2.17.
Open Phone and Modem.
If you get the Location Information window. Make sure you select the country/region you are in now, and your area code. e.g. If in Sydney, then area code is 02. Leave everything else as default. Then press the OK button.
Afterwards the Phone and Modem window will pop up. Click on the Advanced tab. And then click on the Add button.
Select SIPTAPI Service Provider 0.2.17 and press the Add button.
You'll get an installation confirmation like this.
Select the SIPTAPI Service Provider 0.2.17 under the Advanced tab. And click on the Configure button.
In here, fill in the fields with the information we have sent you in a separate email. Then click Apply, then OK button.