Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Elements Attributes Description
Error: display_name="Hurrell "&" Mclean"
Correct 1: display_name="Hurrell & Mclean"
Correct 2: display_name="Hurrell & Mclean"
Note: The contact name cannot be blank.
office_number Specify the office number or macro EDK Macro Strings.
mobile_number Specify the mobile number or macro EDK Macro Strings.
other_number Specify the other number or macro EDK Macro Strings.
line
Specify a registered line for this contact for calling.
Valid Values: -1~15;
-1 stands for Auto (the first registered line);
0~15 stand for line1~line16.
vary by phone models:
T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G: 0~15;
T53W/T53/T43U/T42U/T42S/T42G: 0~11; T41P/T41S/T27G: 0~5;
T40P/T40G/T23P/T23G: 0~2; T21(P) E2: 0~1
Note: This is not applicable to T19(P) E2/CP920 phones.
ring
Specify a ringtone for this contact.
System ring tone:
Auto
Silent.wav
Splash.wav
RingN.wav (integer N ranges from 1 to 8)
Custom ring tone:
XX.wav (for example, Music.wav, the custom ring tone should be uploaded in
advance)
group_id_name
Specify which group the contact adds to.
Built-in group:
All Contacts, Blacklist
Custom group:
XXX (for example, Friend)
default_photo
Built-in avatar:
Resource: avatar name
Custom avatar:
Config: custom avatar name
Note: It is only applicable to color screen phones.
auto_divert Specify a destination number for diverted calls.
Related Topics

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