Panasonic KX-TDA50 / KX-TDA50G

Compatible Digital Phones
KX-DT300 Series Phones
  KX-DT346

Requires Digital Extension Port, up to 24 Phones

  KX-DT343
  KX-DT333
  KX-DT321
  KX-DT390
  KX-NT303
KX-T7600 Series Phones
  KX-T7636 Requires Digital Extension Port, up to 24 Phones
  KX-T7633
  KX-T7630
  KX-T7625
  KX-T7667
  KX-T7640
  KX-T7603
KX-T7400 Series Phones
  KX-T7456 *** Requires Digital Extension Port. Up to 4 Phones may be used on 1st Power Supply, up to 24 with 2nd Power Supply
  KX-T7453 ***
  KX-T7433 ***
  KX-T7431 ***
  KX-T7425 ***
  KX-T7420 ***
KX-T7200 Series Phones
 

KX-T7200 Series

 Requires Digital Extension Port. Up to 4 Phones may be used on 1st Power Supply, up to 24 with 2nd Power Supply
Compatible Analog Proprietary Phones
KX-T7700 Series Phones
  KX-T7731 * Requires Analog Proprietary Port. Up to 4 Phones may be Installed on 1st 4 ports, up to 24 may be installed with 2nd Power Supply
  KX-T7730 *
  KX-T7736 *
  KX-T7735 *
  KX-T7720 *
  KX-T7737 *
Other APT Phones
  KX-T7000 Series Requires Analog Proprietary Port. Up to 4 Phones may be Installed on 1st 4 ports, up to 24 may be installed with 2nd Power Supply
  KX-T7100 Series
 

KX-T7300 Series
Compatible IP Phones
KX-NT300 Series Phones
KX-NT321 Requires 4 port VoIP Extension Card. Maximum of 4 Phones per System. Requires VPN Router at each site
KX-NT343
KX-NT346
KX-NT303
Compatible Wireless Phones
DECT 6.0 Wireless Phones
  KX-TD7685 Requires Wireless Cell Station connected to Digital Port. Up to 28 Wireless Phones
  KX-TD7695
  KX-TD7696
2.4 GHZ Wireless Phones
  KX-TD7684 Requires Wireless Cell Station connected to Digital Port. Up to 28 Wireless Phones
  KX-TD7690
  KX-TD7694
2.4 GHZ Cordless Phones
  KX-TD7895 Requires Analog Proprietary Port. Wireless Phone with Base. Install on first 4 Ports
  KX-TD7896