Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
266
Web UI
Dsskey > Programmable Key > Label
Parameter
programablekey.X.extension
[1]
<y0000000000xx>.cfg
Description
For multicast paging:
It configures the channel of the multicast paging group.
For intercom feature:
It configures the pickup code.
Note: It is only applicable when “programablekey.X.type” is set to 13, 14 or 24.
Permitted
Values
For multicast paging:
0 to 31
For intercom feature:
String within 256 characters
Default
0
Web UI
Dsskey > Programmable Key > Extension
Parameter
programablekey.X.xml_phonebook
[1]
<y0000000000xx>.cfg
Description
It specifies a specific group/phone book when multiple groups/phone books are configured on the IP
phone.
For, example, both Remote Phone Book 1 “Sell” and Remote Phone Book 2 “Market” are configured
on the phone, you can configure “programablekey.X.xml_phonebook = 0” to specify the Remote
Phone Book 1 “Sell” for the specific programmable key. The user can press this line key to access the
Remote Phone Book 1 “Sell”.
Note: It is only applicable when “programablekey.X.type” is set to 22 or 45.
Permitted
Values
Integer from 0 to 48
Default
0
Web UI
Dsskey > Programmable Key > Line
[1]
X is the programmable key ID. For T57W, X=1-4, 12-14, 17-18; For T54W/T48U/T48S/T48G/T46U/T46S/T46G,
X=1-10, 12-14, 17-18; For T53W/T53/T43U/T42U/T42G/T42S/T41P/T41S/T40P/T40G, X=1-10, 13, 17-18; for
T29G/T27G, X=1-14, 17-18; for T23P/T23G/T21(P) E2, X=1-10, 14, 17-18; for T19(P) E2, X=1-9, 13, 14, 17-18; for
CP920: X=1-6, 9, 13.
Ext Keys
The ext keys take effect only if the expansion module is connected to the IP phone.
It is only applicable to T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T29G/T27G phones.
Topic
Ext Keys Configuration
Ext Keys Configuration
The following table lists the parameters you can use to configure ext keys.
Parameter
expkey.type_range.custom <y0000000000xx>.cfg
Description
It configures the list for available ext key types list when configuring ext keys.

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