Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
403
(Enabled).
Permitted
Values
Integer greater than or equal to 0
Default
6
Parameter
forward.no_answer.on_code <y0000000000xx>.cfg
Description
It configures the no answer forward on code to activate the server-side no answer forward feature.
The phone will send the no answer forward on code and the pre-configured destination number (con-
figured by the parameter “forward.no_answer.target”) to the server when you activate the no answer
forward feature on a phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0
(Phone) (except T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > Forward > No Answer Forward > On Code
Phone UI
Menu > Features > Call Forward > No Answer Forward > On Code
Parameter
forward.no_answer.off_code <y0000000000xx>.cfg
Description
It configures the no answer forward off code to deactivate the server-side no answer forward feature.
The phone will send the no answer forward off code to the server when you deactivate the no answer
forward feature on a phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0
(Phone) (except T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > Forward > No Answer Forward > Off Code
Phone UI
Menu > Features > Call Forward > No Answer Forward > Off Code
Call Forward in Custom Mode Configuration
The following table lists the parameters you can use to configure call forward in custom mode.
Parameter
account.X.always_fwd.enable
[1]
<MAC>.cfg
Description
It triggers always forward feature to on or off.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 1
(Custom).
Permitted
Values
0-Off
1-On, incoming calls to the account X are forwarded to the destination number (configured by the para-
meter “account.X.always_fwd.target”) immediately.
Default
0
Supported
Devices
All phones except T19(P) E2 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