KX-TDA5193 - Panasonic 4 port caller ID card (CID4)- "Daughter" card that ~~mounts on a KX-TDA5180 CO line card- Required to receive caller ID information from the CO- Activates caller ID on 4 CO... (Read more)
KX-TDA5171 - Panasonic 4 port digital extension card (DLC4) - Adds capacity for up to four KX-T7600, KX-T7400, KX-DT300 and KX-T7200 series phones, DSS, KX-T0151 and KX-T0155 cell station and voice... (Read more)
KX-TDA5161 - Panasonic 4 port intercom/door opener circuit ~~module (DPH4)- One card per system- Operate ~~up to four door speakers (KX-T30865, KX-T7765, or KX-T7775) and four door strikes or gate... (Read more)
KX-TDA5470 - Panasonic IP extension card (IP-EXT4) - Connects KX-TDA50G to wide or local area network for connection of up to 4 IP extensions, KX-NT136, KX-NT265 and the IP softphone- Max of one... (Read more)
KX-TDA5180 - Panasonic 4 Port loop start CO card (LCOT4)- Adds up to four more lines to system- Two ports have power failure transfer- Optional KX-TDA5193 4 port caller ID card can be mounted on it to... (Read more)
KX-TDA5173 - Panasonic 4 port single line card (SLC4)- 4 Ports per card- Supports single line telephones- Also equipped with 4 DTMF receivers- 1 Card max per systemKXTDA5173~~ (Read more)
KX-TDA5166 - Panasonic 8 channel echo canceller card (ECHO8)
- Provides echo cancellation for conference calls for up to 16 ports
- Max 1 per system
- DISCONTINUED but still available in limited... (Read more)