Coverage area
20
Planning Aastra 400 DECT systems as of R1.0
syd-0457/1.0 – R1.0 – 10.2012
3 Coverage area
The supply range of an DECT system can include many different types of geo-
graphic geometry. In most cases the bulk of the supply range is inside buildings.
A DECT system always relates to a PINX (Private Integrated Exchange) in a PISN (Pri-
vate Integrated Services Network) AIN or on a node in an (Aastra Intelligent Net).
Handover to a neighbouring DECT system in another PINX or on a different node
never occurs, even if the cordless phone is logged on in both systems.
However, the planning can be carried out for both systems as the measuring equip-
ment is used without communication server.
The following explanations describe the situation with a single DECT system.
Fig. 2 Examples of the positioning of radio units inside buildings
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