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Yealink SIP-T57W Administrator's Guide

Yealink SIP-T57W
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Directory
329
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
phone 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 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 screen.
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Directory > LDAP > LDAP Name Filter
Parameter
ldap.number_filter <y0000000000xx>.cfg
Description
It configures the search criteria for LDAP contact numbers lookup.
The “*” symbol in the filter stands for any number. The “% symbol in the filter stands for the number
entered by the user.
Example:
ldap.number_filter = (|(telephoneNumber=%)(mobile=%)(ipPhone=%))
When the number of the telephoneNumber, mobile or ipPhone of the contact record matches the
search criteria, the record will be displayed on the phone screen.
ldap.number_filter = (&(telephoneNumber=*)(mobile=%))
When the telephoneNumber of the LDAP contact is set and the mobile of the LDAP contact matches
the entered number, the record will be displayed on the phone screen.
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Directory > LDAP > LDAP Number Filter
Parameter
ldap.tls_mode <y0000000000xx>.cfg
Description
It configures the connection mode between the LDAP server and the phone.
Permitted
Values
0-LDAP—The unencrypted connection between the LDAP server and the IP phone (port 389 is used
by default).
1-LDAP TLS Start—The TLS/SSL connection between the LDAP server and the IP phone (port 389 is
used by default).
2-LDAPs—The TLS/SSL connection between the LDAP server and the IP phone (port 636 is used by
default).
Default
0
Web UI
Directory > LDAP > LDAP TLS Mode
Parameter
ldap.host <y0000000000xx>.cfg

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Yealink SIP-T57W Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorGray
Ethernet LANYes
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithmsAES, HTTPS, MD5, SRTP
Networking standardsIEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsFTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
AC adapter input voltage100 - 240 V
AC adapter output current2 A
AC adapter output voltage5 V
Volume controlButtons
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Display diagonal7 \
Display resolution800 x 480 pixels
Front cameraNo
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Voice codecsG.722, G.723.1, G.726, G.729A, G.729B, iLBC
Weight and Dimensions IconWeight and Dimensions
Depth220 mm
Width259.4 mm
Height211 mm

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