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Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
130
The outgoing line for handset 4 is line 4.
The outgoing line for handset 5 is line 5.
Web UI
Account > Number Assignment > Outgoing lines
Parameter
handset.X.dial_out_default_line
[1]
<y0000000000xx>.cfg
Description
It configures the default line to place outgoing calls for a specific handset.
Permitted
Values
Integer from 1 to 5
Default
X
Supported
Devices
All handsets except CP930W
Web UI
Account > Number Assignment > Outgoing lines > Default
Handset UI
W53H/W56H:
OK > Settings > Telephony > Default Line
[1]
X is the handset ID. X=1-5.
End Call on Hook
You can configure whether to end a call when you place the handset into the charging cradle.
Topic
End Call on Hook Configuration
End Call on Hook Configuration
The following table lists the parameter you can use to configure the end call on hook.
Parameter
phone_setting.end_call_on_hook.enable <y0000000000xx>.cfg
Description
It enables or disables to end a call when placing the handset into the charger cradle.
Permitted
Values
0-Never
1-Always
Default
1
Supported
Devices
W53H, W56H
Web UI
Features > General Information > End Call On Hook
Advisory Tones
Advisory tones are the acoustic signals of your handset, which inform you of different actions and states.
It is not applicable to DD phones.
You can configure the following advisory tones independently for each other:
l
Keypad Tone: plays when you press any key of the keypad. For CP930W, you can only configure it by nav-
igating to Menu > Settings > Basic Settings > Sound > Advisory Tones > Keypad Tone.
l
Touch Tone: plays when you tap the keys (except the off-hook key and the touch keypad). You can only con-
figure it by navigating to Menu > Settings > Basic Settings > Sound > Advisory Tones > Touch Tone. It is only
applicable to CP930W.

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Yealink SIP-T48U Specifications

General IconGeneral
Handset typeWired handset
Product typeIP Phone
Product colorGray
USB 2.0 ports quantityUSB 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 supportYes
Ethernet LAN (RJ-45) ports2
Display diagonal7 \
Display resolution800 x 480 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Voice codecsAGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithmsAES, HTTPS, SRTP, TLS
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Front camera-
AC adapter input voltage100 - 240 V
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Keypad number of keys29
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Width226 mm
Height185 mm

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