Call routing
181
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
• Sometimes call numbers are given the following signs for better readability: "-",
"/", "(", ")" and "blank". These signs are filtered out by the communication server
before dialling.
• If a call number contains the country code as well as the national prefix, the na-
tional prefix can also be automatically filtered out. To do that, the digits in the
List of countries (CM_3.1.10) have to be entered.
Example:
Entry in country list: Country Code: +41, National prefix: 0
Call numbers +41 (0)32 655 3867 and +41 (032) 655 3867 are converted to
+41326553867.
Covering number ranges
By using one or more placeholders in the allocation table, entire number ranges
can be covered with one entry.
Tab. 40 Examples with placeholders
Please note:
• Either "x" or "X" can be used as a placeholder (stands for digits 0...9)
•The entry under Internal call number may not contain placeholders only ("xxxx" is
not permitted)
• Placeholders are permitted on at the end of an entry ("4x4" is not permitted)
• External call number and Internal call number must always have the same number
of placeholders.
• When the table is searched, the call numbers without placeholders are com-
pared first, then the call numbers with 1 placeholder and so on. This makes it
possible to define certain exceptions concerning number ranges.
External call number Internal call number Result
+41 32 655 386x 386x 10 external call numbers are routed to 10 internal
destinations.
+41 32 655 44xx 44xx 100 external call numbers are routed to 100 inter-
nal destinations.
+41 32,655 55xx 21xx The 100 external call numbers with the end digits
5500...5599 are routed to the 100 internal call
numbers 2100...2199.
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