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Yealink SIP-T31G Administrator's Guide

Yealink SIP-T31G
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Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
77
The parameters in the newly downloaded configuration files will override the same parameters in files downloaded
earlier.
Note: For the phone running firmware version 82 or earlier, it downloads configuration files referenced in the boot
file in sequence.
For the phone running firmware version 83 or later, static.specific_model.excluded_mode determines which con-
figuration files referenced in the boot file to be downloaded.
Provisioning Methods
Yealink provides two ways to provision your phones:
l Manual Provisioning: provisioning via the local phone user interface or web user interface.
l Central Provisioning: provisioning through configuration files stored in a central provisioning server.
The method you use depends on how many phones need to be deployed and what features and settings to be con-
figured. Manual provisioning on the web or phone user interface does not contain all of the phone settings avail-
able with the centralized method. You can use the web user interface method in conjunction with a central
provisioning method and phone user interface method. We recommend using centralized provisioning as your
primary provisioning method when provisioning multiple phones.
Topics
Provisioning Methods Priority
Web User Interface
Phone User Interface
Central Provisioning
Viewing Configurations Configured via Different Provisioning Methods

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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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