Call routing
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System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
• Permissible internal destinations: Internal users, User groups, Call distribution ele-
ments and PISN users.
• In the allocation table external call numbers are to be entered in canonical format
(starting with "+" followed by the country code). Several entries with identical exter-
nal call numbers are not permitted. Multiple internal destinations, however, are per-
mitted.
Special case of mobile/external phone:
When dialling from an integrated mobile/external phone, the call number is sent se-
quentially by means of DTMF signals. In this case a 4-second timer is started after
each digit. Comparison with the entries in the allocation table is carried out only after
the timer expires or when the dial completion sign (#) is recognized.
Supporting the canonical number format
The international number format beginning with the "+" sign is supported (canonical
number) for DSI system phones, IP system phones, SIP terminals and integrated mo-
bile/external phones. This enables, for example, SIP-based dual mode terminals
(WLAN/mobile) with the same stored number, depending on the mode, to reach a user
via mobile network (external) or via WLAN (internal). The following behaviour applies
to these terminals:
• The communication server changes the "+" to a "0" (Exchange access business).
• Sometimes call numbers are given the following signs for better readability: "-", "/",
"(", ")" and "space". 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 national
prefix can also be automatically filtered out. Moreover, the digits on the list of Coun-
try codes ( =vt) must 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.