Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Parameters
Permitted Values
Default
ldap.search_type
0 or 1
0
Description:
Configures the search type for LDAP contact look up.
0-Prefix matching
1-Approximate string matching
If it is set to 0 (Prefix matching), the IP phone will search the LDAP contact numbers or
names start with the entered character(s).
If it is set to 1 (Approximate string matching), the IP phone will search the LDAP contact
numbers or names contain the entered character(s).
Note: It is not applicable to CP860 IP phones.
Web User Interface:
None
Phone User Interface:
None
ldap.name_filter
String within 99
characters
Blank
Description:
Configures the search criteria for LDAP contact names look up.
The “*” symbol in the filter stands for any character. The “%” symbol in the filter stands for
the name entered by the user.
Example:
ldap.name_filter = (|(cn=%)(sn=%))
When the cn or sn of the LDAP contact matches the entered name, the record will be
displayed on the LCD screen.
ldap.name_filter = (&(cn=*)(sn=%))
When the cn of the LDAP contact is set and the sn of the LDAP contact matches the entered
name, the records will be displayed on the phone LCD screen.
ldap.name_filter = (!(cn=%))
When the cn of the LDAP contact does not match the entered name, the records will be
displayed on the phone LCD screen.
Web User Interface:
Directory->LDAP->LDAP Name Filter
Phone User Interface:
None

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm