rework of caller stuff.
rework of caller stuff.

PortgasDAce/otrs,rudy500/otrs,oiami/otrs,thorsteneckel/otrs,nilei/otrs,eliasp/otrs,s7design/otrs,rudy500/otrs,moritz/otrs,balazj/otrs,xhoy/otrs,MBRG/otrs,balazj/otrs,StCyr/otrs,thorsteneckel/otrs,muehlbauer/otrs,s7design/otrs,muehlbauer/otrs,brandonshults01/otrs,MBRG/otrs,PortgasDAce/otrs,s7design/otrs,PortgasDAce/otrs,rudy500/otrs,nilei/otrs,mburggraf/otrs,mbeijen/otrs-1,thorsteneckel/otrs,linearregression/otrs,crythias/otrs,MBRG/otrs,s7design/otrs,mbeijen/otrs-1,nilei/otrs,muehlbauer/otrs,nilei/otrs,xhoy/otrs,balazj/otrs,eliasp/otrs,thorsteneckel/otrs,StCyr/otrs,crythias/otrs,s7design/otrs,xhoy/otrs,brandonshults01/otrs,MBRG/otrs,mburggraf/otrs,PortgasDAce/otrs,crythias/otrs,noritnk/otrs,StCyr/otrs,xhoy/otrs,noritnk/otrs,oiami/otrs,capeit-tto/otrs,nilei/otrs,linearregression/otrs,brandonshults01/otrs,mbeijen/otrs-1,moritz/otrs,crythias/otrs,MBRG/otrs,mburggraf/otrs,PortgasDAce/otrs,capeit-tto/otrs,eliasp/otrs,vlascoder/otrs,brandonshults01/otrs,brandonshults01/otrs,balazj/otrs,capeit-tto/otrs,mburggraf/otrs,StCyr/otrs,crythias/otrs,linearregression/otrs,mburggraf/otrs,xhoy/otrs,linearregression/otrs,vlascoder/otrs,rudy500/otrs,linearregression/otrs,vlascoder/otrs,oiami/otrs,moritz/otrs,oiami/otrs,moritz/otrs,moritz/otrs,thorsteneckel/otrs,balazj/otrs,muehlbauer/otrs,rudy500/otrs,oiami/otrs,noritnk/otrs,StCyr/otrs,eliasp/otrs,muehlbauer/otrs,eliasp/otrs