Yealink SIP-T48U Getting Started

Recovery Mode on Yealink IP phones
3
Phone Model
The Resource Files Required
Description
SIP-T58A
T58V.rom, T58V.bin, T58V.rfs
Note: New factory phones
running V86 firmware version no
longer need “.bin” and “.rfs” files.
MP54
MP54.rom, MP54.bin
MP56
MP56.rom, MP56.bin
MP58
MP58.rom, MP58.bin
CP860
CP860.rom, CP860.bin and CP860.rfs
CP920
CP920.rom, CP920.bin and CP920.rfs
Note: New factory phones
running V86 firmware version no
longer need “.bin” and “.rfs” files.
CP960
CP960.rom, CP960.bin and CP960.rfs
Note: New factory phones
running V86 firmware version no
longer need “.bin” and “.rfs” files.
VC400
VCS.rom, VCS.bin and VCS.rfs
VC120
VCS.rom, VCS.bin and VCS.rfs
VC110
VC110.rom, VC110.bin and VC110.rfs
Base for
W52P/W56P
W52P.rom, W5X.bin, and W5X.rfs
W60B
W60B.rom, W60B.bin and W60B.rfs
W80DM/W80B
W80B.rom, W80B.bin and W80B.rfs
W90DM/W90B
W90B.rom and W90B.bin
Configuring the HTTP Server
This section shows how to configure a HTTP server for the windows system using the HFS tool. You can
download the HFS software online: http://www.snapfiles.com/get/hfs.html. If there is a HTTP server
installed on your local system, you can skip this section and go to the next.
Procedures
1. Create an HTTP root directory on the local system.
2. Place resource files to this root directory.
3. Double click the hfs.exe to start the application.
The main configuration page is shown as below:

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