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Call Forwarding 173
Telephony
Note: Time-dependent hunt groups do not permit including any
additional hunt groups.
In addition, you can also configure call forwarding on busy (CFB)
for hunt groups. This call forwarding can be used for an internal or
external destination call number. In addition, you can enter a
back-up destination for time-dependent hunt groups when they
cannot be reached. Using the
Forward after time setting, you
can instead configure a call number and a specific time interval in
the
Telephony : Groups : Hunt Groups menu.
External Call Forwarding
You can also forward calls to external destinations without restric-
tion. However, the call forwarding history cannot be continued
with external destinations. When multiple users of a parallel hunt
group configure call forwarding to external destinations, a single
call to the hunt group can also occupy multiple external lines.
Special rules apply for call numbers which are displayed upon an
external call forwarding destination:
z
If the call is originally initiated by an internal user, the external
call number of the internal user is transmitted.
z
If the call is originally initiated by an external user, this user's
external call number can be transmitted using the“CLIP no
screening” feature. If “CLIP no screening” is not available, the
external call number of the last forwarding user is transmitted.
Information on the Update
It is possible to convert the configuration of an earlier firmware
version to the current version within the context of an update.
This happens automatically when you load a saved configuration
after an update. Please note the following points:
z
The previous behaviour is preserved with the conversion.
When restoring a former configuration, the
Call forwarding
one level only possible option is switched off automatically
on the Telephony : Settings page. Additionally, the Call
forwarding of members possible option is deactivated for
all restored hunt groups.