Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
232
Note: This parameter also affects the history records display.
Permitted
Values
0-Names matched to the entries in the following phone directories are displayed preferentially, the pri-
ority is as follows: Local Directory > Remote Phone Book > Broadsoft Network Directory > BroadCloud
Buddies > LDAP Directory > Network signaling.
1-Names provided through network signaling are displayed preferentially.
Default
0
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Parameter
phone_setting.incoming_call.horizontal_roll_interval <y0000000000xx>.cfg
Description
It configures the interval (in milliseconds) for the phone to horizontally scroll the caller information
when the phone is ringing.
Permitted
Values
Integer from 100 to 2000
Default
500
Supported
Devices
All phones except CP920
Parameter
account.X.update_ack_while_dialing
[1]
<MAC>.cfg
Description
It enables or disables the phone to update the display of call ID according to the ACK message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
account.X.refresh_remote_id.enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to update the identity of the caller according to the request message
from the remote party.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Parameter
sip.disp_incall_to_info
[2]
<y0000000000xx>.cfg
Description
It enables or disables the phone to display the identity contained in the To field of the INVITE message
when it receives an incoming call.
Permitted
Values
0-Disabled
1-Enabled
Default
0
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42G/T42U/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21
(P) E2, X=1-2; for T19(P) E2/CP920, X=1.
[2]
If you change this parameter, the phone will reboot to make the change take effect.
Display Method on Dialing
When the phone is on the pre-dialing or dialing screen, the account information will be displayed on the phone
screen.

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