Enhanced features of the KX-TDA0920 SD Card -Upgrade for Network Busy Lamp Field / Enhanced TAPI  
     
 
An extension / operator programmed DSS key LED will show the status of another system extension when it is in the following states: busy, receiving an incoming call (ringing) or in ‘Do not Disturb’ (DND) mode. These features are now available for networked KX-TDA systems connected by PRI - QSIG or VoIP trunk lines as the interconnection medium. A Maximum of 32 extensions over 7 external KX-TDA systems can be monitored by one operator extension.
     
In addition to Network BLF functionality the optional KX-TDA0920 SD Card also provides enhancements to core TAPI capabilities. The TAPI CTI has been enhanced to include the following:
     
KX-TDA0164 External Sensor/Relay Support
KX-NT136 IP - Proprietary Telephone Support
     
System Phone, IP Phone, and wireless handset command controls for the following functions:
     
Microphone, Message Waiting Lamp*, Flexible CO Key, Speakerphone On/Off*, Speakerphone Volume*, Ringing On/Off, LCD display contents.
Controls Ringing Pattern for restricted calls.
Setting Absent Messages
     
 

*Not available for Wireless Handsets