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Yealink SIP-T27G Administrator's Guide

Yealink SIP-T27G
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
83
Yealink phones can obtain the provisioning server address during startup. Then the phones first download boot
files and configuration files from the provisioning server and then resolve and update the configurations written in
configuration files. This entire process is called auto provisioning. For more information on auto provisioning, refer
to Yealink SIP IP Phones Auto Provisioning Guide.
The phones can be configured to upload log files (log files provide a history of phone events), call log files and con-
tact files to the provisioning server. You can also configure a directory for each of these three files respectively.
Topics
Auto Provisioning Settings Configuration
User-Triggered Provisioning Settings Configuration
Auto Provisioning Settings Configuration
The following table lists the parameters you can use to configure settings for auto provisioning.
Parameter
static.auto_provision.attempt_expired_time <y0000000000xx>.cfg
Description
It configures the timeout (in seconds) to transfer a file via auto provisioning.
Note: It has a higher priority than the value defined by the parameter “static.network.attempt_expired_
time”.
Permitted
Values
Integer from 1 to 300
Default
20
Web UI
Settings > Auto Provision > Attempt Expired Time(s)
Parameter
static.network.attempt_expired_time
[1]
<y0000000000xx>.cfg
Description
It configures the timeout (in seconds) to transfer a file for HTTP/HTTPS connection.

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Yealink SIP-T27G Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack, Gold
Wall mountableYes
Display diagonal3.66 \
Display resolution240 x 120 pixels
RJ-9 ports quantity2
USB 2.0 ports quantity1
Voice codecsCNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modesSIP info
Lines quantity8 lines
Phonebook capacity1000 entries
Number of VoIP accounts6
Bluetooth-
Security algorithmsAES, MD5
Networking standardsIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface typeGigabit Ethernet
Volume controlDigital
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth210 mm
Width265 mm
Height170.5 mm

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