Features
341
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Note:
The internal number of a call distribution element can only be used as the destination for a
CFNR in a special case, namely if at least one CDE destination is configured on ACD. If not,
Not available is displayed whenever the function is activated. Any configured CDE destinations
that are not ACD are never executed.
Chain of Call Forwarding on No Reply:
• Internal: CFNRs are not chained together locally (i.e. the call is routed to C but can-
not be routed any further).
• Existing CFU call forwarding chains are interrupted by CFNRs.
• In the PISN: CFNR chains within the PISN are possible if B and C are connected to
different PINXs.
Notes:
– CFNR chains in the PISN result in long ringing times.
– If a forwarding destination is defined in the user configuration under Default call forwarding if
no answer the parameter Priority over activated CFNR can be used to determine whether
CFNR or default call forwarding on no reply is executed (see also "Default call forwarding
per user", page 178).
Tip:
CFNR immediate ring can be suppressed individually for PISN users. This is useful for instance
in the case of externally connected voice mail systems.
CFNR to the exchange
With Call Forwarding on No Reply to the public or private network the user remains ac-
tivated in his user group.
Incoming calls on the user groups that reach this user are therefore routed to the
CFNR destination (this applies to ordinary user groups, not large user groups, see
"User group", page 131
).
Note:
If in a user group several users have configured CFNR to the exchange, it may not be possible
to set up some of the calls. The number of calls that can be set up depends on the resources
available at the time (free B channels in the corresponding trunk group).
1)
If caller A is an external user or a virtual network PISN user, the settings authorising exchange-to-exchange
traffic (see "Call Forwarding Unconditional to exchange", page 336
) will have to be observed. (If the connec-
tion is not authorized, the call is not forwarded.)
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