Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
322
local_contact.photo.url = tftp://192.168.10.25/Photo.jpg
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
All color screen phones
Parameter
local_contact.icon_image.url <y0000000000xx>.cfg
Description
It configures the access URL of a contact icon file.
The format of the contact icon must be *.png, *.jpg, *.bmp, *.jpeg.
The contact icon file should be uploaded to the provisioning server in advance.
Example:
local_contact.icon_image.url = tftp://192.168.10.25/Photo.jpg
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
T57W, T48U, T48S, T48G
Parameter
local_contact.image.url <y0000000000xx>.cfg
Description
It configures the access URL of a TAR contact avatar file.
The format of the contact avatar must be *.png, *.jpg, *.bmp, *.jpeg.
The contact avatar file should be compressed as a TAR file in advance and then place it to the pro-
visioning server.
Example:
local_contact.image.url = tftp://192.168.10.25/photo.tar
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
All color screen phones
Parameter
local_contact.data_photo_tar.url <y0000000000xx>.cfg
Description
It configures the access URL of the compressed TAR file consisting of the avatars TAR file and contact
XML file.
All avatars needed for contacts should be compressed as a TAR file in advance.
Example:
local_contact.data_photo_tar.url = tftp://192.168.10.25/Contact.tar
Note: The name of the avatars TAR file must be photo.tar (case-sensitive), and the name of the con-
tact XML file must be ContactData.xml (case-sensitive).
Permitted
Values
URL within 511 characters
Default
Blank
Supported
All color screen phones

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