164 Impact levels
Impact levels
Communication in a Public Sector Network (PSN) is split into areas of different
impact levels (IL). The impact level indicates how the phone user should handle
the relevant call conversation. It is described below how to determine whether
your call partner belongs to a lower Impact Level when the connection is being
established or has been established.
Calls with a low Impact Level are treated in a particular way, either through their
own icons, text labels and/or a special ringtone. The impact level causes no re
-
strictions on call handling however either during or before the call is connected.
Calls of the same or a higher IL are not identified in any particular way.
To ensure unrestricted functionality of the Impact Level function, the advi-
sory tone must be disabled for unsecured voice connections
(
ïƒ Page 178).
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