Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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SCA Configuration
The following table lists the parameters you can use to configure SCA.
Parameter
account.X.shared_line
[1]
<MAC>.cfg
Description
It configures the registration line type.
Permitted
Values
0-Disabled
1-Shared Call Appearance
Default
0
Web UI
Account > Advanced > Shared Line
Parameter
account.X.line_seize.expires
[1]
<MAC>.cfg
Description
It configures the line-seize subscription expiration time (in seconds).
Note: It works only if “account.X.shared_line” is set to 1 (Shared Call Appearance).
Permitted
Values
Integer from 0 to 65535
Default
15
Parameter
account.X.shared_line_callpull_code
[1]
<MAC>.cfg
Description
It configures the call pull feature access code to retrieve an existing call from another shared phone
that is in an active or public hold status.
Note: It works only if “account.X.shared_line” is set to 1 (Shared Call Appearance).
Permitted
Values
String within 99 characters
Default
Blank
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Account > Advanced > Call Pull Feature Access Code
Parameter
features.barge_in_via_username.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to use the user name of the account to barge in an active call.
Permitted
Values
0-Disabled, user register name to barge in, the phone sends INVITE request with the register name
when barging in a call
1-Enabled, the phone sends INVITE request with the user name when barging in a call
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
phone_setting.call_remote_end_when_hold.busy_tone.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to play a busy tone when a public hold call on the shared line is
retrieved by the remote party.
Note: It works only if "features.busy_tone_delay" is not set to 0.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U, T48S, T46S, T42S, T41S, T27G and CP920

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