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Yealink SIP-T57W Administrator's Guide

Yealink SIP-T57W
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
338
If it is set to 0, the phone will not refresh the local cache of the remote phone book.
Permitted
Values
0, Integer from 3600 to 1296000
Default
21600
Web UI
Directory > Remote Phone Book > Update Time Interval(Seconds)
Parameter
features.remote_phonebook.enter_update_enable <y0000000000xx>.cfg
Description
It enables or disables the phone to refresh the local cache of the remote phone book at a time when
accessing the remote phone book.
Permitted
Values
0-Disabled
1-Enabled
Default
0
[1]
X is the phone book ID. X=1-5.
Example: Configuring a Remote Phone Book
The following example shows the configuration for the remote phone book.
Customize the “Department.xml “and “Menu.xmlfiles, and then place these files to the provisioning server
“http://192.168.10.25”.
Example
remote_phonebook.data.1.url = http://192.168.10.25/Menu.xml
remote_phonebook.data.1.name = Yealink
remote_phonebook.data.2.url = http://192.168.10.25/Market.xml
remote_phonebook.data.2.name = Market
After provision, you can navigate to Menu > Directory > Remote Phone Book to access the corporate directory
straight from their phones.
Directory List for Directory/Dir Soft Key
Users can access frequently used directory lists by pressing the Directory/Dir soft key when the IP phone is idle.
The lists include Local Directory, History, Remote Phone Book and Blacklist by default.
You can add the desired lists to directory list using a directory list file (favorite_setting.xml).
Topics
Directory List File Customization
Directory List Configuration
Example: Configuring a Directory List
Directory List File Customization
You can ask the distributor or Yealink FAE for directory template. You can also obtain the directory template online:
http://support.yealink.com/documentFront/forwardToDocumentFrontDisplayPage.
Topics
Directory List File Attributes
Customizing Directory List File

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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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