Ring Allows to program operator set ergonomics.
AutTrf Allows the attendant to activate automatic transfer.
Test Starts the attendant set autotest.
5.2.2 Trunk group reservation key
One of the functions of the trunk group reservation fixed key is to activate the reservation
of trunk groups which have been declared as being reservable and can therefore be placed
under attendant control.
When this key is pressed, the following choices are proposed:
5.2.3 Service key
The different programming features can only be accessed by pressing the SERVICE fixed key
when the attendant set is in idle state. The different programming operations described in this
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5-3
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