Labels:text | screenshot | diagram | plan | parallel | rectangle | black and white OCR: DLU L.TG LIG Small PBX SN Maltimed 3 LIG Large PBX OLU CONC ITG Tips trunk group SH Switching network CONC Common channel signaling network control CP Coordination processor CP PBX "Private branch exchange Figure A. Funcional view of on EWSD configuration, Such systems are designed with functionsi decoraposition in mind, which makes it ensies to divide the configuration problem into manageable pieces (Copyright Siemens AG 1998).