Yealink SIP-T27G Auto Provisioning Guide

Yealink IP Phones Auto Provisioning Guide
iv
Configuring a Provisioning Server ............................................. 27
Preparing a Root Directory ............................................................................................................................... 27
Configuring a TFTP Server ................................................................................................................................. 28
Obtaining the Provisioning Server Address .............................. 31
Zero Touch ............................................................................................................................................................... 31
Plug and Play (PnP) Server ................................................................................................................................ 33
DHCP Options ........................................................................................................................................................ 34
Phone Flash ............................................................................................................................................................. 35
Configuring Wildcard of the Provisioning Server URL ........................................................................... 36
Triggering the IP Phone to Perform Auto Provisioning........... 39
Power On .................................................................................................................................................................. 39
Repeatedly ............................................................................................................................................................... 40
Weekly ....................................................................................................................................................................... 41
Flexible Auto Provision ....................................................................................................................................... 42
Auto Provision Now ............................................................................................................................................. 43
Multi-mode Mixed ................................................................................................................................................ 44
SIP NOTIFY Message ........................................................................................................................................... 44
Auto Provisioning via Activation Code ......................................................................................................... 45
Downloading and Verifying Configurations ............................. 49
Downloading Boot, Configuration and Resource Files .......................................................................... 49
Resolving and Updating Configurations ..................................................................................................... 49
Using MAC-local CFG File .................................................................................................................................. 50
Verifying Configurations .................................................................................................................................... 50
Troubleshooting ........................................................................... 53
Glossary ......................................................................................... 55
Appendix ....................................................................................... 57
Configuring an FTP Server ................................................................................................................................. 57
Preparing a Root Directory ........................................................................................................................... 57
Configuring an FTP Server ............................................................................................................................. 58
Configuring an HTTP Server ............................................................................................................................. 60
Preparing a Root Directory ........................................................................................................................... 60

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