AASTRA 600d for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 127)

The Device Menu
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Pick-up select. (Pickup selective): After entering the call number, you pick up
the call for any other telephone.
If the called subscriber belongs to a user group with pickup protection
activated, you cannot pick up calls for that person’s call number.
Note: If the other telephone is already in the call state (e.g. an answering
machine is making an announcement), you can pick up the call with
“Pickup select.”. The subscriber for whom you picked up the call must belong
to a user group for which “Call removal” authorisation is activated, otherwise
“Pick-up select” is not possible.
Take: You wish to take a current call from one terminal over to your DECT tele-
phone and continue the call on the DECT telephone. To do so, your
DECT telephone and the other terminal must have the same internal call
number.
Dial
Announcement: You direct an announcement to other system terminals
(please refer to page 86). Enter the call number of the subscriber to
whom you wish to transfer under Dest:. Announcements can also be
directed to call numbers where multiple subscribers can be reached
(e.g. a hunt group call number).
Note: If a called subscriber has announcement protection on (see
page 123), this feature is not executed.
Intercom: This function is for directing an announcement to a single system
terminal and the microphone is switched on the system terminal called
(please refer to page 86). The subscriber called can answer you immedi-
ately without having to press a key. Enter the device ID of the terminal in
Device-ID:. For information on the device IDs available, contact your
system administrator.
Note: If a called subscriber has call waiting protection on (see
page 124), this feature is not executed.
VIP call: Your next internal call is executed as a VIP call. Enter the call number
under To:. Even when the internal subscriber called (with system ter-
minal only) has activated call waiting protection, call protection or call
forwarding, your call is now signalled acoustically.
Door opener: You activate the door opener.