Yealink SIP-T57W Administrator's Guide

Phone Customization
269
Note: It is only applicable when “expansion_module.X.key.Y.type” is set to 14, 16, 24 or 39.
Permitted
Values
For multicast paging:
0 to 31
For the BLF/BLF list/intercom feature:
String within 256 characters
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T29G, T27G
Web UI
Dsskey > Ext Key > Extension
Parameter
expansion_module.X.key.Y.xml_phonebook
[1]
<y0000000000xx>.cfg
Description
It specifies a specific group/phone book when multiple groups/phone books are configured on the
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 ext key. The user can press this line key to access the Remote
Phone Book 1 “Sell”.
Note: It is only applicable when “expansion_module.X.key.Y.type” is set to 22 or 45.
Permitted
Values
Integer from 0 to 48
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T29G, T27G
Web UI
Dsskey > Ext Key > Ext KeyX > Line
[1]
X is the expansion module ID, Y is the EXT key ID. For T57W/T54W/T53W/T53/T48U/T46U/T43U, X=1-3, Y=1-60;
For T48S/T48G/T46S/T46G, X=1-6, Y=1-40; for T29G/T27G, X=1-6, Y=1-20, 22-40.
Dsskey Lock Configuration
The following table lists the parameters you can use to configure dsskey lock.
Parameter
custom.features.dsskey_lock_type <y0000000000xx>.cfg
Description
It configures which types of dsskeys to be locked on the phone.
Multiple dsskey type IDs are separated by commas.
Permitted
Values
Blank (all valid function types are not locked); dsskey type IDs. For supported dsskey types and IDs,
refer to Supported Dsskey Types.
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Parameter
custom.features.dsskey_unlock_password <y0000000000xx>.cfg
Description
It configures the password for unlocking the phone's dsskeys.
If it is set to a value, the phone prompts users to enter the password when using the corresponding
dsskey configured by "custom.features.dsskey_lock_type".
Permitted
String within 32 characters

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