In the case of Internal Rerouting, a route is selected within the
routes which does not lead to a direct circuit seizure. The LCR remains
in the own physical nodes and only transits the dial rule in the route
labelled as RERTEINT. With the resultant number, the digit analysis is
restarted and the search for a route to the (possibly) new destination
commenced, where the "called party number" is internal.
Figure 27. Rerouting Internal