Yealink SIP-T27G User Manual

User Guide for the SIP-T27G IP Phone
viii
Disconnecting the Wireless Network Connection ............................................................................... 30
Deactivating the Wi-Fi Mode ....................................................................................................................... 30
Registration ............................................................................................................................................................. 30
Idle Screen ............................................................................................................................................................... 31
Entering Data and Editing Fields..................................................................................................................... 31
Customizing Your Phone ............................................................. 35
General Settings .................................................................................................................................................... 35
Power Saving ...................................................................................................................................................... 35
Backlight ............................................................................................................................................................... 38
Contrast ................................................................................................................................................................ 39
Language.............................................................................................................................................................. 39
Time & Date ........................................................................................................................................................ 40
Administrator Password ................................................................................................................................. 42
Key As Send ........................................................................................................................................................ 43
Phone Lock .......................................................................................................................................................... 43
Audio Settings ........................................................................................................................................................ 46
Volume .................................................................................................................................................................. 46
Ring Tones ........................................................................................................................................................... 48
Key Tone ............................................................................................................................................................... 50
Contact Management ......................................................................................................................................... 50
Directory ............................................................................................................................................................... 50
Local Directory ................................................................................................................................................... 52
Blacklist ................................................................................................................................................................. 61
Remote Phone Book ........................................................................................................................................ 63
Call History Management .................................................................................................................................. 65
Viewing History Records ................................................................................................................................ 65
Placing a Call from History Records .......................................................................................................... 66
Adding a Contact to the Local Directory/Blacklist ............................................................................... 66
Deleting History Records ............................................................................................................................... 66
Disabling History Record ............................................................................................................................... 67
Search Source List in Dialing ............................................................................................................................ 67
System Customizations....................................................................................................................................... 69
Logo Customization ......................................................................................................................................... 69
Headset Use ........................................................................................................................................................ 70
Bluetooth Headset............................................................................................................................................ 72
DSS Keys ............................................................................................................................................................... 76
Account Management .................................................................................................................................... 88
Dial Plan ................................................................................................................................................................ 90
Emergency Number ......................................................................................................................................... 96
Live Dialpad ......................................................................................................................................................... 97
Hotline ................................................................................................................................................................... 97
Basic Call Features ........................................................................ 99
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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