H3C XE 200/2000 IP, Operation Manual

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Operation Manual – Feature
H3C XE 200/2000 IP PBX
Chapter 1 Number Substitution
1-7
1.4.1 Objects of Rule-Based Number Substitution
Rule-based number substitution can be performed on calling numbers, called numbers,
or both.
1.4.2 Number Substitute Rules
You can configure substitute rules depending on the actual network requirements. In a
rule, you can set input and output patterns of calling/called numbers, and determine
when to perform substitution. In addition, you can configure a rule directly for a device
or number.
1.4.3 Substitute Table
A substitute table comprises up to eight rules. You can bind it to the LS globally, to a
device, or to a static route number.
1.4.4 Number Substitution Types
Rule-based number substitution can be one of the following types:
z
Global, where all calling and/or called numbers matching the applied rules in the
LS domain are substituted.
z
Per device, where only the calling and/or called numbers associated with a
specific device are substituted if they match the applied rules.
z
Per number, where only the calling and/or called numbers associated with a
specific number are substituted if they match the applied rules.
1.4.5 When to Perform Rule-Based Number Substitution
In rule-based approach, number substitution can occur before or after number analysis.
If substitution occurs before number analysis, the system can select a particular
terminating device depending on your setting, implementing the functions such as
secretary station and emergency call. If substitution occurs after number analysis, the
system can deliver functions such as caller protection by presenting a masked calling
number at the called side.
1.4.6 Inheritance of Number Substitution
Two rule-based number substitution modes are available: inheritance and
non-inheritance.
1) In inheritance mode
z
When multiple substitute rules are available, the system performs substitution
according to the first matched rule. If the substitute of this number matches