Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
433
Visual and Audio Alert for Monitor Lines
LED Mode for BLF/BLF List Key
BLF/BLF List Key LED Status and Behavior Configuration
BLF Key for Intercom Configuration
Call Information Display Configuration
BLF Key Configuration
You can configure a BLF key for a specific line.
The following shows the configuration of a BLF key for Bill.
linekey.X.type=16
linekey.X.line=1
linekey.X.value=1001
linekey.X.label=Bill
Related Topic
Line Keys Configuration
BLF List Configuration
You can configure a BLF List for monitor phone. It enables the monitor phone to subscribe to a list of lines, and
receive status notifications of the monitored lines.
Note: The IP phone subscribes to a BLF list that is set up on the server. You must access the server and set up a list of mon-
itored lines.
The following table lists the parameters you can use to configure BLF List.
Parameter
account.X.blf.blf_list_uri
[1]
<MAC>.cfg
Description
It configures the BLF List URI to monitor a list of users for account X.
Example:
account.1.blf.blf_list_uri = 4609@pbx.test.com
Permitted
Values
SIP URI within 256 characters
Default
Blank
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Account > Advanced > BLF List URI
Parameter
account.X.blf_list_code
[1]
<MAC>.cfg
Description
It configures the feature access code that initiates a directed call pickup for account X.
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Account > Advanced > BLF List Pickup Code
Parameter
account.X.blf_list_barge_in_code
[1]
<MAC>.cfg

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