Yealink SIP-T27G Auto Provisioning Guide

Introduction
1
Introduction
Yealink IP phones are full-featured telephones that can be plugged directly into an IP network
and can be used easily without manual configuration.
This guide provides instructions on how to provision Yealink IP phones with the minimum
settings required. Yealink IP phones support FTP, TFTP, HTTP, and HTTPS protocols for auto
provisioning and are configured by default to use the TFTP protocol.
Supported Phones
The purpose of this guide is to serve as a basic guidance for provisioning Yealink IP phones.
The following table lists product names and available firmware versions for IP phones that use
auto provisioning process outlined in this guide.
Product Name
Boot File
(Available Firmware
Version)
Exclude Mode
(Available Firmware
Version)
VP59
Yes (83 or later)
Yes (83 or later)
SIP-T58A
Yes (80 or later)
Yes (83 or later)
SIP-T54W
Yes (84 or later)
Yes (84 or later)
SIP-T54S
Yes (81 or later)
Yes (83 or later)
SIP-T53W/T53
Yes (84 or later)
Yes (84 or later)
SIP-T52S
Yes (81 or later)
Yes (83 or later)
SIP-T48G/S
Yes (81 or later)
Yes (83 or later)
SIP-T46G/S
Yes (81 or later)
Yes (83 or later)
SIP-T42G/S
Yes (81 or later)
Yes (83 or later)
SIP-T41P/S
Yes (81 or later)
Yes (83 or later)
SIP-T40P/G
Yes (81 or later)
Yes (83 or later)
SIP-T29G
Yes (81 or later)
Yes (83 or later)
SIP-T27G
Yes (81 or later)
Yes (83 or later)
SIP-T23P/G
Yes (81 or later)
Yes (83 or later)
SIP-T21(P) E2
Yes (81 or later)
Yes (83 or later)
SIP-T19(P) E2
Yes (81 or later)
Yes (83 or later)

Yealink SIP-T27G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Gold
Wall mountable	Yes
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
RJ-9 ports quantity	2
USB 2.0 ports quantity	1
Voice codecs	CNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Bluetooth	-
Security algorithms	AES, MD5
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Volume control	Digital
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm