System Functions and Features as of I7.9
Call routing 141
syd-0200/3.0 – I7.9 – 11.2009
Please note:
• Either "x" or "X" can be used as a placeholder (stands for digits 0...9)
• An internal destination can contain not only placeholders ("xxxx" is not permit-
ted)
• Placeholders are permitted on at the end of an entry ("4x4" is not permitted)
• External call number and Internal destination 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.
5. 2. 3 Internal Digit Barring
There are several digit barring options available for internal traffic. The same rules
apply as for external digit barring facilities (see "Digit Barring Facilities", page 164).
5. 2. 4 Internal ringing duration
The ringing time for an internal user can be configured from 30 to 18000 seconds in
the AIMS Configuration Manager using the Internal ringing time. The call connec-
tion is disconnected once that time has elapsed. The timer is restarted if the call is
forwarded after a set time (e.g. with Call Deflection or Default call forwarding if no
answer).
Note:
With calls from the PSTN the connection is cleared down by the network
provider, usually after approx. 2 minutes.
If the external call is answered by the Courtesy service, the call is consid-
ered as switched through for the PSTN. As long as the caller is switched to
Courtesy, a ringing tone is generated internally. The configured internal
ringing time is therefore also a decisive criterion for clearing down the
connection.
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