User Guide for the CP920 HD IP Conference Phone
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The basic expression syntaxes you need to know:
The dot "." can be used as a placeholder or multiple placeholders for any
character. Example:
"12." would match "123", "1234", "12345", "12abc", etc.
An "x" can be used as a placeholder for any character. Example:
"12x" would match "121", "122", "123", "12a", etc.
Numeric ranges are allowed within the brackets: Digit “-” Digit. Example:
“[5-7]” would match the number”5”, ”6”or ”7”.
The square brackets "[]" can be used as a placeholder for a single character
which matches any of a set of characters. Example:
"91[5-7]1234" would match "9151234", "9161234", "9171234".
The parentheses "( )" can be used to group together patterns, for instance, to
logically combine two or more patterns. Example:
"([1-9])([2-7])3" would match "923", "153", "773",etc.
The “$” should be followed by the sequence number of a parenthesis. The “$”
plus the sequence number means the whole character or characters placed in
the parenthesis. The number directs to the right parenthesis when there are
more than one. Example:
A replace rule configuration: Prefix: "9([5-7])(.)", Replace: "5$2". When you
enter "96123" to dial out on your phone, the number will be replaced as
"5123" and then dialed out. “$2” means the characters in the second
parenthesis, that is, “123”.
Note
Replace Rule
You can configure one or more replace rules (up to 100) to remove the specified string and
replace it with another string. You can configure a pattern with wildcards (expression syntax
refer to the table above), so that any string that matches the pattern will be replaced. This
feature is convenient for you to dial out a long number. For example, a replace rule is
configured as "Prefix: 1" and "Replace: 1234567", when you try to dial out the number
“1234567”, you just need to enter “1” on the phone and then Tap the Send soft key.
To add a replace rule via web user interface:
1. Click on Settings->Dial Plan->Replace Rule.
2. Enter the string (e.g., 1) in the Prefix field.
The IP phone supports a new dial plan mechanism – digit map. Digit maps are defined by a
single string or a list of strings. If a number you dial matches any string of a digit map, the call is
automatically placed.
Note that if digit map feature is enabled, the old dial plan rules (described in this chapter) will be
ignored. For more information, contact your system administrator.
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