Yealink SIP-T27G Administrator's Guide

Phone Customization
269
Note: It is only applicable when “expansion_module.X.key.Y.type” is set to 14, 16, 24 or 39.
Permitted
Values
For multicast paging:
0 to 31
For the BLF/BLF list/intercom feature:
String within 256 characters
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T29G, T27G
Web UI
Dsskey > Ext Key > Extension
Parameter
expansion_module.X.key.Y.xml_phonebook
[1]
<y0000000000xx>.cfg
Description
It specifies a specific group/phone book when multiple groups/phone books are configured on the
phone.
For example, both Remote Phone Book 1 “Sell” and Remote Phone Book 2 “Market” are configured
on the phone, you can configure “programablekey.X.xml_phonebook = 0” to specify the Remote
Phone Book 1 “Sell” for the specific ext key. The user can press this line key to access the Remote
Phone Book 1 “Sell”.
Note: It is only applicable when “expansion_module.X.key.Y.type” is set to 22 or 45.
Permitted
Values
Integer from 0 to 48
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T29G, T27G
Web UI
Dsskey > Ext Key > Ext KeyX > Line
[1]
X is the expansion module ID, Y is the EXT key ID. For T57W/T54W/T53W/T53/T48U/T46U/T43U, X=1-3, Y=1-60;
For T48S/T48G/T46S/T46G, X=1-6, Y=1-40; for T29G/T27G, X=1-6, Y=1-20, 22-40.
Dsskey Lock Configuration
The following table lists the parameters you can use to configure dsskey lock.
Parameter
custom.features.dsskey_lock_type <y0000000000xx>.cfg
Description
It configures which types of dsskeys to be locked on the phone.
Multiple dsskey type IDs are separated by commas.
Permitted
Values
Blank (all valid function types are not locked); dsskey type IDs. For supported dsskey types and IDs,
refer to Supported Dsskey Types.
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Parameter
custom.features.dsskey_unlock_password <y0000000000xx>.cfg
Description
It configures the password for unlocking the phone's dsskeys.
If it is set to a value, the phone prompts users to enter the password when using the corresponding
dsskey configured by "custom.features.dsskey_lock_type".
Permitted
String within 32 characters

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