Yealink SIP-T57W Administrator's Guide

Directory
327
Directory > Google Contacts > Google Contact Server
Parameter
google_contact_server.display_mode <y0000000000xx>.cfg
Description
It configures the display mode of the Google contacts.
Note: It works only if "google_contact_server.enable" is set to 1 (Enabled).
Permitted
Values
0-All downloaded Google contacts will be displayed on the phone.
1-Only the Google contacts whose number fields are not empty will be displayed on the phone.
Default
1
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Signing in to the Google Contact Server
After you allow the IP phone to connect to the Google Contact Server, you can sign in to the Google Contact Server
via the web user interface, so that the Google contacts will appear in the phone directory.
Procedure
1. On your web user interface, select Directory > Google Contacts.
2. In the Authentication field, click Sign In.
A pop-up window and a code are displayed.
3.
Enter the code generated on the web user interface into the pop-up window.
4.
Enter your email address and password.
5.
Allow contact test to access your Google account.
Lightweight Directory Access Protocol (LDAP)
LDAP is an application protocol for accessing and maintaining information services for the distributed directory over
an IP network. You can configure the phones to interface with a corporate directory server that supports LDAP ver-
sion 2 or 3. The following LDAP servers are supported:
l Microsoft Active Directory
l Sun ONE Directory Server
l Open LDAP Directory Server
l Microsoft Active Directory Application Mode (ADAM)
For more information on LDAP, refer to LDAP Directory on Yealink IP Phones .
Topics
LDAP Attributes
Securely Storing the LDAP Credentials
LDAP Configuration
LDAP Attributes
The following table lists the most common attributes used to configure the LDAP lookup on the phones.
Abbreviation Name Description
gn givenName First name
cn commonName LDAP attribute is made up from given name joined to surname.
sn surname Last name or family name

Yealink SIP-T57W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Ethernet LAN	Yes
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithms	AES, HTTPS, MD5, SRTP
Networking standards	IEEE 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 type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
Volume control	Buttons
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	7 \
Display resolution	800 x 480 pixels
Front camera	No
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, iLBC

Weight and Dimensions

Depth	220 mm
Width	259.4 mm
Height	211 mm