Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Alcatel-Lucent Barge in Parameters
If you want to use Barge In feature, you should configure a feature access code on the phone. If no feature access
code is configured, the Barge In feature is disabled.
Parameter
blf.normal_barge_in_code <y0000000000xx>.cfg
Description
It configures the feature access code for normally barging in the active call of the monitored line.
If configured, you can press the Barge In soft key to barge in the call. Barge-in plays an audio alert to
indicate the arrival of a new participant to the call and all call participants can interact.
Note: It applies to the Alcatel-Lucent CTS only.
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T29G, T19(P) E2 and CP920
Case Scen-
ario
The feature access code is *32. A (your phone) monitors party B (number: 8866), party B and party C
is during the call.
Set the following:
blf.normal_barge_in_code = *32
features.blf.show_callinfo.enable = 1
During the call of the monitored line, long press the BLF key and press the Barge In soft key, then the
phone calls *328866 to barge in the call. All call participants can interact during the call.
Related
Parameters
features.blf.show_callinfo.enable
Parameter
blf.whisper_barge_in_code <y0000000000xx>.cfg
Description
It configures the feature access code for barging in the active call of the monitored line in whisper.
If configured, you can press the Whisper BargeIn soft key to barge in the call. You can hear all call
participants but your audio can only be transmitted to the user you are monitoring.
Note: It applies to the Alcatel-Lucent CTS only.
Permitted
Values
String within 32 characters
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T29G, T19(P) E2 and CP920
Case Scen-
ario
The feature access code is *32. A (your phone) monitors party B (number: 8866), party B and party C
is during the call.
Set the following:
blf.whisper_barge_in_code = *32
features.blf.show_callinfo.enable = 1
During the call of the monitored line, long press the BLF key and press the Whisper BargeIn soft key,
then the phone calls *328866 to barge in the call. You can hear all call participants, but only party B
can hear you.
Related
Parameters
features.blf.show_callinfo.enable

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