Configuring Basic Features
241
Tone field.
3.
Press the Save soft key to accept the change.
Regular expression, often called a pattern, is an expression that specifies a set of strings.
A regular expression provides a concise and flexible means to ―match‖ (specify and
recognize) strings of text, such as particular characters, words, or patterns of characters.
Regular expression is used by many text editors, utilities, and programming languages
to search and manipulate text based on patterns.
Regular expression can be used to define IP phone dial plan. Dial plan is a string of
characters that governs the way for IP phones to process the inputs received from the IP
phone’s keypads. IP phones support the following dial plan features:
You need to know the following basic regular expression syntax when creating dial
plan:
.
The dot ―.‖ can be used as a placeholder or multiple placeholders for
any string. Example:
―12.‖ would match ―123‖, ―1234‖, ―12345‖, ―12abc‖, etc.
x
The ―x‖ can be used as a placeholder for any character. Example:
―12x‖ would match ―121‖, ―122‖, ―123‖, ―12a‖, etc.
-
The dash ―-‖ can be used to match a range of characters within the
brackets. Example:
―[5-7]‖ would match the number ―5‖, ‖6‖ or ‖7‖.
,
The comma ―,‖ can be used as a separator within the bracket.
Example:
―[2,5,8]‖ would match the number ‖2‖, ―5‖ or ―8‖.
[]
The square bracket "[]" 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 parenthesis "( )" 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‖, ―673‖, etc.
$
The ―$‖ followed by the sequence number of a parenthesis means
Summary of Contents for CD860
Page 1: ......
Page 45: ...Getting Started 23 For SIP T42G T41P T40P Desk Mount Method Wall Mount Method Optional ...
Page 47: ...Getting Started 25 For SIP T23P T23G Desk Mount Method Wall Mount Method Optional ...
Page 122: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones 100 ...
Page 840: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones 818 ...
Page 995: ...Appendix 973 ...
