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System Functions and Features as of I7.9
Call routing
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Fig. 88
Connecting two outgoing calls
Two incoming calls
The B channels of two incoming calls can be connected with each other via a con-
ference circuit or by a normal call handover by going on-hook (transfer).
Tab. 69
Features supported
Fig. 89
Connecting two incoming calls
Preventing pointless Exchange-to-Exchange Connections
To prevent exchange-to-exchange connections being set up with announcement
services or with special numbers (e.g. info boxes), the numbers concerned should
be barred in the digit barring.
User A
Switching calls
Conference circuit
User C
6TFS"
6TFS$
6TFS#
1#9
1#9
1#9
6TFS"
6TFS$
6TFS#
1#9
1#9
1#9