Yealink SIP-T48U Administrator's Guide

Account Settings
294
Description
It configures the user name of the account.
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Account > Register > Username
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Accounts > Account X > User Name
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Accounts > User Name
Parameter
account.X.password
[1]
<MAC>.cfg
Description
It configures password of the account.
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Account > Register > Password
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Accounts > Account X > Password
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Accounts > Password
Parameter
account.X.sip_server.Y.address
[1][2]
<MAC>.cfg
Description
It configures the IP address or domain name of the SIP server in which the account is registered.
Permitted
Values
String within 256 characters
Default
Blank
Web UI
Account > Register > SIP Server Y > Server Host
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Accounts > Account X > SIP ServerY
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Accounts > SIP ServerY
Parameter
account.X.sip_server.Y.port
[1][2]
<MAC>.cfg
Description
It configures the port of SIP server.
If it is set to 0 when UDP is used ("account.X.sip_server.Y.transport_type" is set to 0), the phone uses
a random port for responding to the messages from the server.
Permitted
Values
Integer from 0 to 65535
Default
5060
Web UI
Account > Register > SIP Server Y > Port
Parameter
account.X.outbound_proxy_enable
[1]
<MAC>.cfg

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