Unify OpenScape 4000 - General Phone Settings

172 Other settings and functions
OpenScape 4000 as house call system
(intercom system)
You can speak to an internal subscriber on the OpenScape 4000 directly using
the loudspeaker on their phone to set up a connection. You can also initiate a
speaker call from a consultation call. The following functions are possible:
• System-wide voice calling
– to a variable destination
– to a fixed destination
• Speaker call in a group
– to a variable destination
– to a fixed destination
• Intercom within a group
– to a variable destination
– to a fixed destination
• Announcement to all members of a management group
You can cancel the voice calling or the announcement by placing the handset on
hold, or resuming the call during a consultation.
For all functions, ensure that the Speaker call protect of the concerned
phones is switched off  page 194.
If a subscriber is addressed directly whose speaker call protect is activat-
ed, the direct answer is ignored and a normal call is made.