Call routing
231
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Two incoming calls
The B channels of two incoming calls can be connected with each other via a confer-
ence circuit or by a normal call handover by going on-hook (transfer).
Tab. 61 Features supported
Fig. 111 Connecting two incoming calls
Preventing pointless Exchange-to-Exchange Connections
To prevent exchange-to-exchange connections being set up with announcement ser-
vices or with special numbers (e.g. info boxes), the numbers concerned should be
barred in the digit barring.
6. 6. 2 Transferring Call Forwarding Unconditional to the
Exchange
Internal users can divert their terminal to external destinations. When an external user
calls the destination diverted externally, the exchange-to-exchange connection created
occupies two B channels.
The system can be configured so that such call forwarding are transferred from the
communication server to the public network, thus freeing the two B channels. To do so,
the system automatically activates the supplementary services partial rerouting (in
point-to-point operation) and call deflection (in point-to-multipoint operation).
The users themselves are not aware of this process.
User A
Switching calls
Conference circuit
User C
Communi-
cation
server
Communication server
User A
User C
User B
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