Yealink SIP-T27G Getting Started

Recovery Mode on Yealink IP phones
5
Take a note of the server IP address (e.g., 10.2.11.123) which is used at the later stage.
Connecting the USB Flash Drive to the IP Phone
This section shows how to connect the USB flash drive to the IP phone. The USB flash drive should be
purchased separately.
This method is only applicable to MP54/MP56/MP58/VP59/SIP-T58A/T57W/T54W/T53W
/T53/T48U/T48S/T46U/T46S/T43U/T42U/T42S/T41S/CP920/CP960 IP phones.
Note
Procedures
1. Place resource files to the USB flash drive.
2. Connect the USB flash drive to the IP phone.
Note
After successfully connecting the USB flash drive, LCD screen prompts “USB device has been
connected successfully!”.
On the CP960 IP phone, you can only connect to the USB port next to the micro USB port to use
the recovery mode.
The file system of the USB flash drive should be FAT32.

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