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Free Common-ISDN-API Bulk Fax Software PC Telephony Softphone

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Common-ISDN-API (CAPI 2.0)

The Common-ISDN-API (CAPI) implementation enables the PC-Telephone software to communicate over ISDN (Integrated Services Digital Network).

In this way, you can use your computer to make and receive unlimited bulk phone and fax calls over your ISDN telephone line.

The PC-Telephone softphone enables automatically the ISDN options if you have a CAPI 2.0 compliant ISDN card/modem installed on your computer.

For the list of the CAPI 2.0 products supported visit www.capi.org

PC-Telephone Softphone Installation

  • First, download and install the PC-Telephone Softphone

  • Then, enter the registration information received by email in the main PC-Telephone menu Help - About PC-Telephone box.

    PC-Telephone menu Help-About


  • Enter your PC-Telephone calling PIN in the Network-IP options dialog box and start calling worldwide.

    Should you have any questions concerning the registration, please email us at support@pc-telephone.com


    PC-Telephone Softphone Registration

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