Functions when using the telecommunication systems (OpenScape Voice, OpenScape 4000. SIP native) with SIP end devices for more than 200 spaces: log in/log out at bed (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), number portability (Upon admission, the patient a personal phone number that they keep for the entire duration of their stay at the hospital.)