A Nursecall System is designed to alert a member of staff of a person requiring assistance.  Systems vary depending upon the environment in which they are to be used.  For example in its simplist form, disabled toilet alarms are a requirement in all public buildings, and will normally alert a member of staff at reception once activated.  At the other other end of the scale Both Nursing and Residential homes require systems to alert members of staff immediately a resident activates the system, together with their exact location.