10.53.4. Generation 
- Activate variable conference in the system:
The activation of VARKONF is only possible in expert mode. Expert Mode > OpenScape 4000 > Expert Access > Open ...<IP> with AMO (see AMO command)
CHANGE-FEASU:TYPE=A,CM=VARKONF; - ADD DAR for conference:
Configuration Management --> Tables --> Dial PLan --> Dial Codes, Click New. Enter Dial Code and select CONF as Code Type. Click Save.
ADD-WABE:CCD=91,DAR=CONF; - Change display time of conference information (if wanted):
The time how long the conference information is displayed on a digital phone can be performed in expert mode.Expert Mode > OpenScape 4000 > Expert Access > Open ...<IP> with AMO (see AMO command)
CHANGE-DTIM1:TYPEDH=DIGITE,VWKONFMB=<sec>;