Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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The phone displays the keys with left-to-right order. For example, “favorite,uc_favorite,blf_list” means
the display order is Favorite keys > UC Favorite keys > BLF List keys.
If only one type is configured, the configured type will have the highest priority. For example, “blf_list”
means the IP phone preferentially display the BLF List keys, and remaining keys’ display order is: UC
Favorite keys > Favorite keys (the default order).
Note: If Auto Linekeys feature is enabled (features.auto_linekeys.enable = 1), the Line keys (the line
key type is configured as Line) will be shown first.
Permitted
Values
Blank (the display order: BLF List keys > UC Favorite keys > Favorite keys)
blf_list, uc_favorite, favorite or a combination of them
Default
Blank
Parameter
features.uc_dir.match_tail_number <y0000000000xx>.cfg
Description
It configures the minimum matched digits of the tail numbers of BroadCloud Buddy. When the entered
number matches the tail numbers of a buddy in the buddy directory, the phone will automatically dis-
play the matched results on the phone screen when placing a call.
If it is set to 0, the entered number must exactly match the number of BroadCloud Buddy.
If it is set to other values (for example, 4), the entered number less than 4 digits would not match with
the BroadCloud contact.
Example:
If there is a BroadCloud Buddy name “Sunmy” with the phone number “785656” and the parameter
“features.uc_dir.match_tail_number” is set to “4”, “5656”, “85656” or “785656” would match “Sunmy
(785656)”. “656”, “56” or “6” would not match “Sunmy (785656)”.
Permitted
Values
Integer greater than or equal to 0
Default
0
Supported
Devices
All color screen phones
Parameter
search_in_dialing.bw_uc_buddies.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to automatically search entries from the BroadSoft Buddies directory,
and display results on the pre-dialing/dialing screen.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All color screen phones
Parameter
search_in_dialing.bw_uc_buddies.priority <y0000000000xx>.cfg
Description
It configures the search priority of the BroadSoft Buddies directory.
Permitted
Values
Integer greater than or equal to 0
Default
6
Supported
Devices
All color screen phones
Parameter
directory_setting.bw_uc_buddies.enable <y0000000000xx>.cfg
Description
It enables or disables the users to access the BroadSoft Buddies directory by pressing the
Directory/Dir soft key.

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