Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
365
Description
It enables or disables the digit map to be applied to the numbers dialed from the directory.
Note: It works only if “account.X.dialplan.digitmap.enable” is set to 1 (Enabled). The value configured
by the parameter “account.X.dialplan.digitmap.apply_to.directory_dial” takes precedence over that
configured by the parameter “dialplan.digitmap.apply_to.directory_dial”.
Permitted
Values
0-Disabled
1-Enabled
Default
Blank
Parameter
account.X.dialplan.digitmap.apply_to.history_dial
[1]
<MAC>.cfg
Description
It enables or disables the digit map to be applied to the numbers (received calls or missed calls)
dialed from call log lists.
Note: It works only if “account.X.dialplan.digitmap.enable” is set to 1 (Enabled). The value configured
by the parameter “account.X.dialplan.digitmap.apply_to.history_dial” takes precedence over that con-
figured by this parameter.
Permitted
Values
0-Disabled
1-Enabled
Default
Blank
Parameter
account.X.dialplan.digitmap.apply_to.forward
[1]
<MAC>.cfg
Description
It enables or disables the digit map to be applied to the numbers that you want to forward to when per-
forming call forward.
Note: It works only if “account.X.dialplan.digitmap.enable” is set to 1 (Enabled). The value configured
by the parameter “account.X.dialplan.digitmap.apply_to.forward” takes precedence over that con-
figured by the parameter “dialplan.digitmap.apply_to.forward”.
Permitted
Values
0-Disabled
1-Enabled, the incoming calls will be forwarded to the desired destination number according to the
string of the digit map.
Default
Blank
Parameter
account.X.dialplan.digitmap.apply_to.press_send
[1]
<MAC>.cfg
Description
It enables or disables the entered number to match the predefined string of the digit map after press-
ing a send key using off-hook dialing.
The off-hook dialing includes: pick up the handset, press the Speakerphone key or press the line key
when the phone is idle.
Note: It works only if “account.X.dialplan.digitmap.enable” is set to 1 (Enabled). The value configured
by the parameter “account.X.dialplan.digitmap.apply_to.press_send” takes precedence over that con-
figured by the parameter “dialplan.digitmap.apply_to.press_send”.
Permitted
Values
0-Disabled
1-Enabled
Default
Blank
[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.
Emergency Dialplan and Enhanced 911
You can dial the emergency telephone number (emergency services number) at any time when the IP phone is
powered on and has been connected to the network. It is available even if your phone keypad is locked or no SIP
account is registered.

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