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Yealink SIP-T21 E2 Administrator's Guide

Yealink SIP-T21 E2
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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
316
Example:
“12x” would match “121”, “122”, “123”, etc.
[]
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 dash “-” can be used to match a range of digits within the
brackets.
Example:
“[35-7]” would match the number “3”, “5”, ”6” or ”7”.
Note: The digits must be concrete, e.g., [3-x] is invalid.
.
The dot “.” can be used as a placeholder or multiple placeholders,
including zero, of occurrences of the preceding construct.
Examples:
“123.T” would match “12
3
”, “12
33
”, “12
333
”, “12
3333
”, etc.
“x.T” would match an arbitrary number.
“[x*#+].T” would match an arbitrary character.
Note
: If the string ends with a dot (e.g., 123.), a match will occur
immediately after inputting the characters before the dot (e., 123)
since the dot allows for zero occurrences of the preceding construct.
So we recommend you to add a letter “T” after the dot (e.g., 123.T)
for inputting more characters.
R
The letter “R” indicates that certain matched strings are replaced.
Using a RRR syntax, you can replace the digits between the first two
R
s with the digits between the last two
R
s. Example:
“R12R234R” would replace 12 with 234.
<:>
The letter “:” in the angle bracket indicates that certain matched
strings are replaced. Using the <:> syntax, you can replace the digits
before the colon with the digits after the colon.
Example:
“<12:234>” would replace 12 with 234. It is the same with
R12R234R.
!
The exclamation mark “!” can be used to prevent users from dialing
out specific numbers. It can only be put last in each string of the
digit map.
Example:
“235x!” would match “2351”, “2352”, “2353”, etc. The number
starting with 235 will be blocked to dial out.
,
The comma “,” can be used as a separator to generate secondary

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Yealink SIP-T21 E2 Specifications

General IconGeneral
BrandYealink
ModelSIP-T21 E2
CategoryIP Phone
LanguageEnglish

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