Panasonic KX-TDA5180 4-Port Analog Trunk Card LCOT44-Port Loop Start CO Card (LCOT4)Two ports have power failure transferOptional KX-TDA5193 4 Port Caller ID Card can be mounted on it to support Caller IDUse with TDA50G system..
Panasonic KX-TDA5193 4-Port Caller ID Card CID44 Port Caller ID Card (CID4)Daughter card that mounts on a KX-TDA5180 CO Line Card (LCOT4)Activates caller ID on 4 CO linesUse with TDA50G system..
Panasonic KX-TDA5480 ***REFURBISHED*** 4-Channel VoIP Gateway Card IP-GW4Good ConditionVoIP Gateway Card (IPGW4)Supports up to 4 IP connections for networking the KX-TDA50 to other KX-TDA systemsH.323V.2, ITU-T, G729a, G.723.1 and G711 compliantCapacity: 1 per systemUse with TDA50G system..