He clicked a link. Version 7.3. Useless. He clicked another. Version 8.0. Too new; it didn’t support the legacy drivers for the TDA-600 chassis the company ran.
Once you successfully , follow these steps to install it correctly. He clicked a link
: The interface is available in several languages, including English and Russian. Download and Licensing Information and KX-NCP series.
: Supports USB , LAN (TCP/IP) , RS-232C, or Modem. He clicked a link
: Support for KX-TDA (50, 100, 200, 600), KX-TDE, and KX-NCP series.