Panasonic KX-TDA5193 4 Port Caller ID Card
Required to receive Caller ID information form the CO. Each KX-TDA5193 activates Caller ID on 4 CO lines. Mounts on the KX-TDA5180 Loop Start CO Card. Maximum of 1 KX-TDA5193 card per KX-TDA5180 or maximum 2 per system.