Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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4.
Save the change and place this file to the provisioning server.
Softkey Layout Configuration
The following table lists the parameters you can use to configure the softkey layout.
Parameter
phone_setting.custom_softkey_enable <y0000000000xx>.cfg
Description
It enables or disables the custom soft keys layout feature.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Settings > Softkey Layout > Custom SoftKey
Parameter
phone_setting.custom_softkey.apply_to_states <y0000000000xx>.cfg
Description
It configures the desired call state to apply the custom softkey layout.
To configure the call states to apply the custom softkey layout:
Example:
phone_setting.custom_softkey.apply_to_states = DialingEmpty,DialTransEmpty
It means that DialingEmpty and DialTransEmpty call states will use the custom softkey layout.
To configure the call states not to apply the custom softkey layout:
Example:
phone_setting.custom_softkey.apply_to_states = -DialingEmpty,DialTransEmpty
It means that DialingEmpty and DialTransEmpty call states will not use the custom softkey layout.
Note: Multiple call states are separated by commas. It works only if “phone_setting.custom_softkey_
enable” is set to 1 (Enabled).
Permitted
Values
Blank (all call states will use the custom softkey layout)
Dialing, DialingEmpty, DialTrans, DialTransEmpty, DialConference, DialConferenceEmpty, Talk,
Hold, Held, CallIn, NewCallIn, BeTransferred, SemiAttendTrans, Conferenced, ConferencedHold,
ConferencedNewCallIn, Connecting, CallFailed, Paging, ListeningPaging, RingBack, SemiAt-
tendTransBack

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