May be in 800 code of program (SMDR in/out) switched on option (parameter) “off”?
Try to check up the serviceability COM port through TAPI. There are two programs for Panasonic KX-TD on site www.blitz-cti.com How soldering the cable you can find on the same site in FAQ.
Blitz TAPI SMDR for...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.