Panasonic KX-TDA100/200/600 Phone Compatibility Matrix

Compatible Phone Requirements and Capacity of System
KX-DT300 Series Phones Requires Digital Extension Port
  KX-DT346 TDA100- Maximum of 64 or 128 with DXDP
  KX-DT343
  KX-DT333 TDA200- Maximum of 128 or 256 with DXDP
  KX-DT321 TDA600- Maximum of 640 or 960 with DXDP
  KX-DT390
Console Requires Digital Extension
  KX-DT390 TDA100/200- Maximum of 8
   
  TDA600- Maximum 128 with 4 Cabinets
KX-T7600 Series Phones Requires Digital Extension Port
  KX-T7636  
  KX-T7633 TDA100- Maximum of 64 or 128 with DXDP
  KX-T7630
  KX-T7625 TDA200- Maximum of 128 or 256 with DXDP
  KX-T7667 TDA600- Maximum of 640 or 960 with DXDP
  KX-T7640
  KX-T7603  
KX-NT Series Phones Requires IP Extension on IP-EXT16 Card
  KX-NT346  
  KX-NT343  
  KX-NT321 TDA100- Maximum of 96
  KX-NT303 TDA200- Maximum of 128
  KX-NT305
  KX-NT136 TDA600- Maximum of 640
  KX-NT265  
  KX-NT700  
DECT 6.0 Wireless Phones

Requires DECT Wireless Cell Station connected to a Digital Extension Port
  KX-TD7685 TDA100- Maximum of 128 handsets, 32 Cell Stations
  KX-TD7695 TDA200- Maximum 128 Handsets, 32 Cell Stations
  KX-TD7696 TDA600- Maximum 256 Handsets, 128 Cell Stations
2.4 GHZ Wireless Phones Requires 2.4 GHz Wireless Cell Station connected to a Digital Extension Port
  KX-TD7680 TDA100- Maximum of 128 handsets, 32 Cell Stations
  KX-TD7684 TDA200- Maximum 128 Handsets, 32 Cell Stations
  KX-TD7690
  KX-TD7694 TDA600- Maximum 256 Handsets, 128 Cell Stations
2.4 GHZ Cordless Phones Requires and Analog Proprietary Extension Port
  KX-TD7895
KX-TD7896		 TDA100- Maximum of 24
  TDA200- Maximum of 64
  TDA600- Maximum 320
KX-T7400 Series Phones Requires a Digital Extension Port, Higher Power Requirements than 7600 or DT300 Series Phones
  KX-T7456 ***  
  KX-T7453 *** TDA100- Maximum 32
  KX-T7433 *** TDA200- Maximum of 128
  KX-T7431 ***
  KX-T7425 *** TDA600- Maximum of 512
  KX-T7420 ***  
KX-T7700 Series Phones Requires an Analog Proprietary Port
  KX-T7731 *  
  KX-T7730 * TDA100- Maximum of 24
  KX-T7736 * TDA200- Maximum of 64
  KX-T7735 *
  KX-T7720 * TDA600- Maximum 320
  KX-T7737 *  
Other APT Phones Requires an Analog Proprietary Port
  KX-T7000 Series TDE100- Maximum of 24
  KX-T7100 Series TDE200- Maximum of 64
 

KX-T7300 Series

 TDE600- Maximum 320
Other DPT Phones Requires a Digital Extension Port, Higher Power Requirements than 7600 or DT300 Series Phones
 

KX-T7200 Series

 TDE100- Maximum 32
TDE200- Maximum of 128
TDE600- Maximum of 512