Yealink SIP-T27G User Manual

User Guide for the SIP-T27G IP Phone
46
You can long press or wait for a period of time (if configured) to lock the phone
again.
Note
To deactivate the phone lock via phone user interface:
1. Press Menu->Settings->Basic Settings->Phone Lock.
2. Enter the desired PIN (default PIN: 123) in the Unlock PIN field, and then press the OK soft
key.
3. Press or , or the Switch soft key to select Disabled from the Lock Enable field.
4. Press the Save soft key to accept the change.
Phone lock is configurable via web user interface at the path Features->Phone Lock.
Audio Settings
Volume
You can press the Volume key to adjust the ringer volume when the phone is idle or ringing.
You can also press the Volume key to adjust the receiver volume of currently engaged audio
devices (handset, speakerphone or headset) when the phone is in use.
Note
You can also unlock the phone by administrator password. When you enter the administrator
password to unlock the phone, the phone will turn to the Change PIN screen.
Your system administrator can disable you to adjust the ringer volume. Contact your system
administrator for more information.
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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