Yealink SIP-T27G Auto Provisioning Guide

Table of Contents
iii
Table of Contents
Table of Contents .......................................................................... iii
Introduction .................................................................................... 1
Supported Phones ................................................................................................................................................... 1
Getting Started ............................................................................... 3
Obtaining Boot, Configuration and Resource Files .................................................................................... 3
Boot Files ................................................................................................................................................................. 3
Configuration Files .............................................................................................................................................. 3
Resource Files ........................................................................................................................................................ 4
Obtaining Template Files .................................................................................................................................. 5
Obtaining Phone Information ............................................................................................................................. 5
Provisioning Yealink IP Phones .................................................... 7
Interoperating with Provisioning Server ......................................................................................................... 7
Auto Provisioning Process .................................................................................................................................... 8
Old Mechanism – Without Boot Files .......................................................................................................... 8
New Mechanism – With Boot Files ............................................................................................................... 9
Major Tasks for Auto Provisioning ................................................................................................................. 11
An Instance of Auto Provision Configuration ............................................................................................ 12
Managing Boot Files .................................................................... 15
Editing Common Boot File ................................................................................................................................ 15
Creating MAC-Oriented Boot File .................................................................................................................. 17
Managing Configuration Files .................................................... 19
Editing Common CFG File .................................................................................................................................. 19
Editing MAC-Oriented CFG File ....................................................................................................................... 21
Creating a New CFG File ..................................................................................................................................... 23
Managing MAC-local CFG File ......................................................................................................................... 23
Encrypting Configuration Files......................................................................................................................... 24
Managing Resource Files ............................................................. 25
Customizing Resource Files .............................................................................................................................. 25

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