Functions when using the telecommunication system OS4000 for more than 200 spaces: log in/log out at the bedside (With the help of logging in/out at the bed, a transfer of the patient without further input at the terminal can be performed. Once a patient has been registered, she/he can, for example, use the telephone and/or television services), voice announcement (If the account falls below a hospital-defined value, the patient's authorization is blocked and she or he receives an announcement, which points out that for further use the account must be recharged)