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Yealink SIP-T31G Administrator's Guide

Yealink SIP-T31G
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Call Features
362
Topics
Basic Regular Expression Syntax for Digit Map
Digit Map for All Lines Configuration
Digit Map for a Specific Line Configuration
Basic Regular Expression Syntax for Digit Map
You need to know the following basic regular expression syntax when creating a new dial plan:
T
The timer letter “T” indicates a timer expiry. If “T” is used alone (for example, 123T), the default timeout
value of 3 will be used. If “T” is not used alone (for example, 123<Tx>, x can be a digit from 0 to 99), a
complete match occurs when waiting x seconds after inputting 123.
x
The “x” can be used as a placeholder for any digit from 0 to 9.
Example:
“12x” would match “121”, “122”, “123”, and so on.
[]
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, for example, [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 “123”, “1233”, “12333”, “123333”, and so on.
“x.T would match an arbitrary number.
“[x*#+].T” would match an arbitrary character.
Note: If the string ends with a dot (for example, 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.
Therefore, we recommend that you add a letter “T after the dot (for example, 123.T) for inputting more
characters.
R
The letter “R indicates that certain matched strings are replaced. Using an RRR syntax, you can
replace the digits between the first two Rs with the digits between the last two Rs. Example:
“R12R234R” would replace 12 with 234.
<:>
The letter “:” in the angle bracket indicates that certain matched strings are replaced. Using the <:> syn-
tax, 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”, and so on. The number starting with 235 will be blocked to
dial out.
,
The comma “,” can be used as a separator to generate a secondary dial tone.
Example:

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Yealink SIP-T31G Specifications

General IconGeneral
Mounting kitYes
Number of handles included1 pc(s)
Display diagonal2.3 \
Display resolution132 x 64 pixels
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Voice codecsG.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage100 - 240 V
AC adapter output current0.6 A
AC adapter output voltage5 V
Power consumption (typical)3 W
Lines quantity2 lines
Phonebook capacity1000 entries
Number of VoIP accounts2
Sustainability certificatesRoHS, REACH
Networking standardsIEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorGray
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth189 mm
Width188 mm
Height162 mm
Package depth210 mm
Package width213 mm
Package height103 mm

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