System Functions and Features as of I7.9
228
Call routing
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Configuration example
The PINXs of a company with branch offices in Zurich and Geneva respectively are
connected with each other via a dedicated line. Outgoing calls made from Geneva
to the local rate zone in Zurich are always to be routed into the public network at
Zurich.
Incoming calls for the branch office in Geneva are always to be routed from the
public network to PINX 1 in Geneva.
Fig. 104
Topology with important points
Planning the routes and trunk groups
To keep a network configuration as transparent as possible, it is a good idea always
to use the same trunk group and the same route for the same function on all the
PINXs. It makes sense, for example, to use trunk group 1 in each PINX for connec-
tions to the public ISDN network as trunk group 1 has this initialization value.
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