Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Parameter
static.wifi.X.priority
[2]
<y0000000000xx>.cfg
Description
It configures the priority for a specific wireless network.
5 is the highest priority, 1 is the lowest priority.
Note: It works only if “static.wifi.enable” is set to 1 (Enabled).
Permitted
Values
Integer from 1 to 5
Default
1
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Web UI
Network > Wi-Fi > Change Priority
Phone UI
Color Screen Phones:
Menu > Basic > Wi-Fi > Wi-Fi (On) > Known Network > Option > Move Up/Move Down
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Wi-Fi > Wi-Fi (On) > Known Network > Option > Move Up/Move
Down
Parameter
static.wifi.X.security_mode
[2]
<y0000000000xx>.cfg
Description
It configures the security mode of a specific wireless network.
Note: It works only if “static.wifi.enable” is set to 1 (Enabled). If it is set to 802.1x EAP, the CA cer-
tificate can be uploaded by the parameter "static.network.802_1x.root_cert_url", the user certificate
can be uploaded by the parameter "static.network.802_1x.client_cert_url".
Permitted
Values
NONE, WEP, WPA/WPA2 PSK, 802.1x EAP
Default
NONE
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Web UI
Network > Wi-Fi > Add >Secure Mode
Phone UI
Color Screen Phones:
Menu > Basic > Wi-Fi > Wi-Fi (On) > Known Network (press Add) > Security Mode
Menu > Basic > Wi-Fi > Wi-Fi (On) > Known Network > Option > Edit > Security Mode
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Wi-Fi (On) > Known Network (press Add) > Security Mode
Menu > Settings > Basic Settings > Wi-Fi > Wi-Fi (On) > Known Network > Option > Edit > Security
Mode
Parameter
static.wifi.X.password
[2]
<y0000000000xx>.cfg
Description
It configures the password of a specific wireless network.
Note: It works only if “static.wifi.enable” is set to 1 (Enabled).
Permitted
Values
String within 64 characters
Default
Blank
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920

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