Edit DAS rulesSystem Configuration
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8AL90208USAD ed01
November 20, 2008
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4 Click Save.
Example:
To display sip:17818953635@192.168.10.22 as 17818953635, the system administrator
enters:
sip:([\d\-\+]+)@.*
This expression looks for ‘sip:’ followed by some combination of digits, ‘-’ and ‘+’ all of
which gets saved, followed by ‘@’ and anything else. In phone number displays, this all
gets replaced by the part that was saved.
Note: If you specify an illegal regular expression, some Report screens may get
HTML or XML errors when they attempt to display. If this happens, correct the filter
and retry the operation. No code or data is corrupted by illegally formatted Phone
Display Filters.
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E ND OF STEPS
Edit DAS rules
The OmniTouch Advanced Communications Server (ACS) can be configured with rules
to handle a broad range of call routing and dial plan requirements. These can be
configured to handle international dialing, calling PBX extensions, and sophisticated
handling of SIP call processing.
The call routing rules are called DAS rules. DAS rules are a set of up to 20 UNIX system
regular expressions that are applied to the user’s dialed digits. The rules are applied in
order, one after the other – the output of each rule is the input to the next one. The result
is used as the dialed digits to be processed by the Alcatel-Lucent OmniTouch Advanced
Communication Server’s call processing engine.
Regular expressions are a flexible and powerful syntax for textual pattern matching and
replacement. They are commonly used in UNIX and Linux systems (for example, the grep
command) as well as in the Perl language. Numerous tutorials for using regular expressions
are available online.
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