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Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
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Network Configurations
41
Parameter
static.network.redundancy.failback.timeout
[1]
<y0000000000xx>.cfg
Description
It configures the time to wait (minutes) for the phone to switch to the preferentially used network.
Note: It works only if “static.network.redundancy.mode is set to 1 or 2.
Permitted
Values
Integer from 0 to 1440
0-The phone will not switch as long as the current network is available.
1 to 1440The phone will keep using the current network for the specified time after the preferentially
used network becomes available. If the preferentially used network is still available after the specified
time, the phone performs a network switch while the phone is not in use.
Default
55
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Parameter
static.wifi.enable <y0000000000xx>.cfg
Description
It activates or deactivates the Wi-Fi mode.
Note: It works only if “static.wifi.function.enable is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Web UI
Network > Wi-Fi > Wi-Fi Active
Phone UI
Color Screen Phones:
Menu > Basic > Wi-Fi > Wi-Fi
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Wi-Fi
Parameter
static.wifi.X.ssid
[2]
<y0000000000xx>.cfg
Description
It configures the SSID of a specific wireless network.
SSID is a unique identifier for accessing wireless access points.
Note: It works only if “static.wifi.enable is set to 1 (Enabled).
Permitted
Values
ASCII code from 1 to 31 in length
Default
Blank
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 >SSID
Phone UI
Color Screen Phones:
Menu > Basic > Wi-Fi > Wi-Fi (On) > Known Network (press Add) > SSID
Menu > Basic > Wi-Fi > Wi-Fi (On) > Known Network > Option > Edit > SSID
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Wi-Fi (On) > Known Network (press Add) > SSID
Menu > Settings > Basic Settings > Wi-Fi > Wi-Fi (On) > Known Network > Option > Edit > SSID

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Yealink SIP-T48U Specifications

General IconGeneral
Handset typeWired handset
Product typeIP Phone
Product colorGray
USB 2.0 ports quantityUSB 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 supportYes
Ethernet LAN (RJ-45) ports2
Display diagonal7 \
Display resolution800 x 480 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Voice codecsAGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithmsAES, HTTPS, SRTP, TLS
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Front camera-
AC adapter input voltage100 - 240 V
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Keypad number of keys29
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Width226 mm
Height185 mm

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