Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
526
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-T48U Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Keypad number of keys	29
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Width	226 mm
Height	185 mm