Yealink SIP-T27G Administrator's Guide

Directory
333
Default
1
Web UI
Directory > LDAP > LDAP Lookup for Callout
Parameter
ldap.ldap_sort <y0000000000xx>.cfg
Description
It enables or disables the phone to sort the search results in alphabetical order or numerical order.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Directory > LDAP > LDAP Sorting Results
Parameter
ldap.incoming_call_special_search.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to search the telephone numbers starting with ”+” symbol and “00”
from the LDAP server if the incoming phone number starts with”+” or “00”. When completing the LDAP
search, all the search results will be displayed on the phone screen.
Example:
If the phone receives an incoming call from the phone number 0044123456789, it will search
0044123456789 from the LDAP server first, if no result found, it will search +44123456789 from the
server again. The phone will display all the search results.
Note: It works only if “ldap.call_in_lookup” is set to 1 (Enabled). You may need to set “ldap.name_fil-
ter” to be (|(cn=%)(sn=%)(telephoneNumber=%)(mobile=%)) for searching the telephone numbers
starting with ”+” symbol.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
ldap.numb_display_mode <y0000000000xx>.cfg
Description
It configures the display mode of the attribute name for the LDAP contact number.
Note: It works only if “ldap.enable” is set to 1 (Enabled).
Permitted
Values
0-NumberN (N is an increasing number), for example Number1, Number2, Number3…
1-Attribute name pushed by the server
Default
0
Parameter
ldap.customize_label <y0000000000xx>.cfg
Description
It configures the display name of the LDAP phone book.
If it is left blank, LDAP is displayed.
Note: It works only if “ldap.enable” is set to 1 (Enabled).
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Directory > LDAP > LDAP Label
Parameter
ldap.extra_attr <y0000000000xx>.cfg
Description
It configures the extra attributes of each record to be returned by the LDAP server.
Multiple attributes are separated by spaces.
Example:

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