Call routing
249
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
6. 7. 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 connec-
tion 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 re-
routing (in point-to-point operation) and call deflection (in point-to-multipoint op-
eration).
The users themselves are not aware of this process.
The called user in the public network is presented with the caller’s CLIP as well as
information on who redirected the call.
PARE Partial Rerouting
CD Call Deflection
P-P Point-to-point operation
P-MP Point-to-multipoint operation
Fig. 107 Transferring Call Forwarding Unconditional to the Exchange
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