Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
256
types are not available when you configure line keys.
Note: Multiple line key type IDs are separated by commas. “N/A” type is always kept.
Permitted
Values
Blank or 0 (all valid function types are available); line key type IDs. For supported line key types and
IDs, refer to Supported Dsskey Types.
Default
Blank
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
linekey.X.type
[1]
<y0000000000xx>.cfg
Descrip-
tion
It configures the key feature.
Permitted
Values
0-N/A
1-Conference
2-Forward
3-Transfer
4-Hold
5-DND
7-Recall
8-SMS
9-Pickup(pick
up/Direct Pickup)
10-Call Park
11-DTMF
12-Voice Mail
13-SpeedDial
(Speed Dial)
14-Intercom
15-Line
16-BLF
17-URL
18-Group Listening
20-Private Hold
22-XML Group
23-Group Pickup
24-Paging(Multicast
Paging)
25-Record
27-XML Browser
34-Hot Desking
35-URL Record
38-LDAP (only appear when “ldap.enable=1”)
39-BLF List
40-Prefix
41-Zero Touch
42-ACD
45-Local Group
50-Phone Lock
56-Retrieve Park
61-Directory
66-Paging List
73-Custom Key (only available when “fea-
tures.enhanced_dss_keys.enable=1”)
77-Mobile Account (only applicable to
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U phones
when the Bluetooth-enabled mobile phone is connected)
104-Google Contacts (only appear when “google_con-
tact_server.enable = 1”)
105-XML Park (not applicable to CP920 phones)
150-Extend (only applicable to
T54W/T53W/T53/T46U/T46S/T43U/T42S/T42U/T41S/T2-
7G phones)
310-Dect Intercom (only applicable to
T57W/T54W/T53W/T53 phones when the DECT USB
dongle is connected)
Note: The permitted values are configurable by “linekey.type_range.custom”.
Default
15
T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G: X= 1-16;
T53W/T53/T43U/T42U/T42S/T42G: X = 1-12;
T41P/T41S/T27G: X = 1-6;
T40P/T40G/T23P/T23G/T21(P) E2: all line keys.
0 other line keys
Supported
All phones except T19(P) E2 and CP920

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