Yealink SIP-T48U Administrator's Guide

Network Configurations
45
Wireless Network IP Addressing Mode Configuration
The following table lists the parameters you can use to configure IP addressing mode for the wireless network.
Parameter
static.network.wifi.ip_address_mode
[1]
<y0000000000xx>.cfg
Description
It configures the IP addressing mode for the wireless network.
Permitted
Values
0-IPv4
1-IPv6
2-IPv4 & IPv6
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
Network > Wi-Fi > Internet Port > Mode (IPv4/IPv6)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > IP Mode
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > Wi-Fi Port > IP Mode
Parameter
static.network.wifi.preference
[1]
<y0000000000xx>.cfg
Description
It specifies IPv4 or IPv6 as the preferred wireless network in a Dual-Stack mode.
Note: It works only if “static.network.wifi.ip_address_mode” is set to 2 (IPv4 & IPv6).
Permitted
Values
0-IPv6
1-IPv4
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
Network > Wi-Fi > Internet Port > Preference(IPv4/IPv6)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > Preference
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > Wi-Fi Port > Preference
[1]
If you change this parameter, the phone will reboot to make the change take effect.
IPv4 Wireless Network Configuration
The following table lists the parameters you can use to configure IPv4 wireless network.
Parameter
static.network.wifi.internet_port.type
[1]
<y0000000000xx>.cfg
Description
It configures the Internet port type for IPv4 wireless network.
Note: It works only if “static.network.wifi.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6).
Permitted
Values
0-DHCP
2-Static IP

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