This telephone is designed for connection to Euro-ISDN PABXs, used in care homes. Up to 8 different MSNs (Multiple subscriber number) could be stored. The first call number (MSN 0) is transmitted to the caller. Answering function: If the telephone is called by a particular call number, the recipient of the call hears 5 seconds long a special ringing tone and the telephone switches automatically into hands-free function. The recipient of the call can speak with the caller without operating the telephone.