11.2.2.1. Master Hunt Group 
Subscriber number and hunt group number are the same. Subscriber can
only be called as Attendant Light with 900.
- Configure OpenStage device with busy lamp filed
ADD-SBCSU:STNO=900,OPT=OPTI,CONN=DIR, PEN=1-25-2-0,DVCFIG=OPTIP500,TSI=1,COS1=23, COS2=9,LCOSV1=1,LCOSV2=1,LCOSD1=2,LCOSD2=2,DPLN=0, ITR=0,SSTNO=N,COSX=0,SPDI=10,SPDC1=0,IDCR=N,REP=0, STD=56,SECR=N,INS=Y,ALARMNO=0,RCBKB=N,RCBKNA=N, DSSTNA=N,DSSTNB=Y,DIGNODIS=N,CBKBMAX=5,HEADSET=N, HSKEY=NORMAL,CBKNAMB=Y,TEXTSEL=GERMAN,HMUSIC=0, COMGRP=0,BLF=Y;
- Configure key layout for OpenStage device
CHANGE-TAPRO:STNO=900,STD=65;
- DSS key administration:
ADD-ZIEL:TYPE=DSS,SRCNO=900,KYNO=1,DESTNOD=25501, DEV=AD1;
- Configure Attendant Light device as a master in hunt group for getting a call queue:
ADD-WABE:CD=900,DAR=STN; ADD-SA:TYP=TLN,RNR=900,VBZ=0, ART=LIN,ANOKAP=20,NAME="ATTENDANT LIGHT", VERLNEXT=NEIN,ANZART=SA;
- Configure device as Attendant Light device
CHANGE-SDAT:STNO=900,TYPE=ATTRIBUT, AATTR=ACLIGHT;