Each KX-TVA204 adds 4 ports to the VPS which can be used for DPT Integration. KX-TVA204 cards can be installed in slots 2 to 6 of the VPS.
 
Features:
  • Panasonics KX-TVA204 4 Port Expansion Module will add 4 ports to Panasonics KX-TVA200 Voice Mail System
  • It supports DPITS integration only, meaning every 2 ports of voicemail will connect to 1 digital extension on your Panasonic Telephone System.
  • It is not compatible with APITS integration or integration through Analog Ports
  • You may add up to 5 of the KX-TVA204 Expansion Cards to your KXTVA200 Voicemail System for a total of 24 ports of voicemail