Check whether callDestination field can be a first responder before making it first responder.
Check whether callDestination field can be a first responder before making it first responder.

inz/Telephone,mralexgray/SwitchBoard,nriley/Telephone,thierryc/Telephone,einfallstoll/Telephone,mobdim/Telephone,thinkski/Telephone,martinkero/Telephone