The "Users Detail Import" in SETUP -> PROBPERTIES -> PABX,
is for use with the Ericsson MD110 with FrontOffice and barring.
In FrontOffice you select 'Ericsson MD110' under the "General"
tab, then you will have the option to enter the "User Output File".
This file path must match the "Import File" in TOPAZ.
Front Office will 'communicate' with the Ericsson PABX and
get the User Detail List in the format required for TOPAZ.
For setup of TOPAZ and Ericsson MD110 barring see
Ericsson MD110 and Topaz feature list.