5.36.1.2.1. Branch network optimization - a company with a branch
network with a single physical system 
Initial scenario
Figure 73. Corporate network with multiple OpenScape 4000s and non-unique station numbers
Target scenario:
Identical station structure but with only one OpenScape 4000, two
access points and HFA terminals The Virtual Numbering feature supports
the use of multiple identical or overlapping numbering plans within a
OpenScape 4000.
Figure 74. Corporate network with one OpenScape 4000, two access points and HFA terminals
