Yealink SIP-T27G Administrator's Guide

Using Handsets with T57W/T54W/T53W/T53 Phones
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use the PIN configured by "base.pin_code" to access some features.
Default
0
Parameter
base.pin_code_for_register <y0000000000xx>.cfg
Description
It configures the PIN for registering or de-registering a handset.
Note: It works only if “base.double_pin_code.enable” is set to 1 (Enabled).
Permitted
Values
Integer from 0000 to 9999
Default
0000
DECT Intercom
Intercom is a useful feature in an office environment to quickly connect with the operator or the secretary. Users can
make internal intercom calls and external intercom calls on the handset. Internal intercom calls are made among
handsets registered to the same phone.
The handset can automatically answer an incoming external intercom call and play warning tone.
Topic
DECT Intercom Configuration
DECT Intercom Configuration
The following table lists the parameters you can use to configure DECT intercom.
Parameter
custom.handset.auto_intercom <y0000000000xx>.cfg
Description
It enables or disables the auto intercom feature on the handset.
Permitted
Values
-1-Do not modify the configuration.
0-Off, auto intercom feature is disabled. Users need to answer incoming internal intercom calls manu-
ally.
1-On(Beep Off), the phone/handset answers an incoming internal intercom call automatically without
a warning tone.
2-On(Beep On), the phone/handset answers an incoming internal intercom call automatically and
plays a warning tone. It works when the silence mode is off.
Default
-1
Handset UI
OK > Settings > Telephony > Auto Intercom
Phone UI
T57W/T54W:
Menu > DECT Settings > Auto Intercom > Auto Intercom
T53W/T53:
Menu > Settings > DECT Settings > Auto Intercom > Auto Intercom
Parameter
features.intercom.headset_prior.enable <y0000000000xx>.cfg
Description
It configures the channel mode when an incoming intercom call is automatically answered.
Note: It works only if "custom.handset.auto_intercom" is set to 1 or 2. For the phone, the headset
mode should be activated for use; for the handset registered to the phone, the headset should be con-
nected in advance.
Permitted
0-Speaker Mode

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