Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
455
SCA Configuration
The following table lists the parameters you can use to configure SCA.
Parameter
account.X.shared_line
[1]
<MAC>.cfg
Description
It configures the registration line type.
Permitted
Values
0-Disabled
1-Shared Call Appearance
Default
0
Web UI
Account > Advanced > Shared Line
Parameter
account.X.line_seize.expires
[1]
<MAC>.cfg
Description
It configures the line-seize subscription expiration time (in seconds).
Note: It works only if “account.X.shared_line” is set to 1 (Shared Call Appearance).
Permitted
Values
Integer from 0 to 65535
Default
15
Parameter
account.X.shared_line_callpull_code
[1]
<MAC>.cfg
Description
It configures the call pull feature access code to retrieve an existing call from another shared phone
that is in an active or public hold status.
Note: It works only if “account.X.shared_line” is set to 1 (Shared Call Appearance).
Permitted
Values
String within 99 characters
Default
Blank
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Account > Advanced > Call Pull Feature Access Code
Parameter
features.barge_in_via_username.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to use the user name of the account to barge in an active call.
Permitted
Values
0-Disabled, user register name to barge in, the phone sends INVITE request with the register name
when barging in a call
1-Enabled, the phone sends INVITE request with the user name when barging in a call
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
phone_setting.call_remote_end_when_hold.busy_tone.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to play a busy tone when a public hold call on the shared line is
retrieved by the remote party.
Note: It works only if "features.busy_tone_delay" is not set to 0.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U, T48S, T46S, T42S, T41S, T27G and CP920

Yealink SIP-T53W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP mobile phone
Product color	Gray
Keypad illumination	Yes
Wi-Fi standards	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Security algorithms	AES, HTTPS, SIPS
Networking standards	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	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Power consumption (typical)	2.3 W
Volume control	Buttons
Number of programmable keys	8
Storage temperature (T-T)	-30 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	3.7 \
Display resolution	360 x 160 pixels
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Number of DECT wireless handsets	4
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC

Weight and Dimensions

Depth	210.6 mm
Width	212 mm
Height	174.5 mm