If you are connecting your phone lines directly from the phone company into CALLMaster, then just plug the lines directly into the Dialogic board installed in the CALLMaster machine.
If you are using a PBX, then connect the selected extensions off your PBX into the Dialogic board installed in the CALLMaster machine. You may need to run PBXpert
If you have T1 lines, please read T1 Setup Guide.