Call routing
177
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
The CLIP is compared with the entries in the assigned routing table, starting with the
topmost entry. If the digits of the CLIP, starting from the left, match an entry in the table,
the call is routed according to the configuration of the Action selection field to another
CDE, rejected or the caller permanently receives a ring back tone. The action can be
configured separately for each entry in the table.
If the CLIP does not match, normal routing is used.
Notes:
– All calls in the connection data collection are always entered, regardless of the chosen
action.
– For mobile/external users, virtual PISN users and MMC mobile phones, the external call
number is always first replaced with the internal user number, before the comparison with a
call routing table is made.
– A call is only routed exactly once because an entry in a call distribution table matches. For
redirection situations (e.g. CDE if no answer / CDE if busy / redirection to CDE call number)
this should not necessarily be the case with the first CDE.
– If the call is routed from CDE A to CDE B because an entry in a routing table matches, only
the settings for CDE B are effective.
System configuration
The blacklist can be created in the CLIP-based routing ( =vm) view, or imported
from an Excel file.
Tab. 31 System configuration
Parameter Remarks
• CLIP based routing table Define Description, CLIP numbers and Action for each entry.
• Use CLIP based routing Can be activated for each switching position (CDE configuration)
• Call routing table Assign a call routing table (CDE configuration)
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