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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
138
Group 1:
features.ms.1.slave_handset_number = 2
features.ms.1.mode = 0
After provisioning, users cannot switch the active call between the phone and handset. Only the device which is dur-
ing the call can initiate a new call. If users not in a call try to initiate a call on the phone/handset, the phone/handset
screen will prompt "Path Busy".
Group 2:
features.ms.1.slave_handset_number = 4
features.ms.1.mode = 1
After provisioning, when the handset is during the call, users can retrieve the call after off-hook on the phone. When
the phone is during the call, users can push the call to the handset.
Repeater Settings Parameters
Parameter
static.base.repeater_mode.enable
[1]
<y0000000000xx>.cfg
Description
It configures the repeater mode to extend the radio coverage of the phone.
Permitted
Values
0-Off
1-RT10/RT20
2-RT30
Default
0
Phone UI
T57W/T54W:
Menu > DECT Settings > Repeater > Repeater Mode
T53W/T53:
Menu > Settings > DECT Settings > Repeater > Repeater Mode

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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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