Ascotel IntelliGate 2025/2045/2065
Part 2 Call Routing 291
The entry in the example on the right bars all phone numbers that begin with the
digit sequence "00" except those that begin with "003" but not with "0031".
This nesting depth is not admissible. The entry "0031" is ignored by the system.
Fig. 2.68: Only one degree of nesting is permitted
Examples of digit barring facilities
A subscriber or subscriber group may only dial the following external destinations:
• Destinations within their own network group
• Destinations of network group 031 and 033
• Destinations in Germany (0049)
The following restrictions also apply:
• No external connections through cost centre selection
• No external connections through route selection
These two restrictions are regulated using the internal barred-code; the others,
using the external digit barring:
Fig. 2.69: Example of digit barring facilities
disable all (s)
enable all (f)
disable all (s)
enable all (f)
F1 003 S1 00
F2 …… S2 0031
F3 …… S3 ……
F4 …… S4 ……
F5 …… S5 ……
not permitted
haz0736aaena0
✔✘
F1 003 S1 00
F2 004 S2 ……
F3 …… S3 ……
F4 …… S4 ……
F5 …… S5 ……
disable all (s)
enable all (f)
disable all (s)
enable all (f)
F1 …… S1 *78
F2 …… S2 13
F3 …… S3 17
F4 …… S4 ……
F5 …… S5 ……
haz0737aaena0
F1 031 S1 0
F2 033 S2 ……
F3 0049 S3 ……
F4 …… S4 ……
F5 …… S5 ……
External barred-code check Internal barred-code check
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