Yealink SIP-T48U Administrator's Guide

Phone Customization
215
DST Settings
Time and Date Manually Configuration
Time and Date Format Configuration
Date Customization Rule
Time Zone
The following table lists the values you can use to set the time zone location.
Time Zone Time Zone Name Time Zone Time Zone Name
-12 Eniwetok,Kwajalein +2 Estonia(Tallinn)
-11 Midway Island +2 Finland(Helsinki)
-10 United States-Hawaii-Aleutian +2 Gaza Strip(Gaza)
-10 United States-Alaska-Aleutian +2 Greece(Athens)
-9:30 French Polynesia +2 Harare
-9 United States-Alaska Time +2 Israel(Tel Aviv)
-8 Canada(Vancouver,Whitehorse) +2 Jordan(Amman)
-8 Mexico(Tijuana,Mexicali) +2 Latvia(Riga)
-8 United States-Pacific Time +2 Lebanon(Beirut)
-8 Baja California +2 Moldova(Kishinev)
-7 Canada(Edmonton,Calgary) +2 Pretoria
-7 Mexico(Mazatlan,Chihuahua) +2 Jerusalem
-7 United States-Mountain Time +2 Russia(Kaliningrad)
-7 United States-MST no DST +2 Bulgaria(Sofia)
-7 Chihuahua,La Paz +2 Lithuania(Vilnius)
-7 Arizona +2 Cairo
-6 Guatemala +2 Istanbul
-6 El Salvador +2 E.Europe
-6 Honduras +2 Tripoli
-6 Nicaragua +2 Romania(Bucharest)
-6 Costa Rica +2 Syria(Damascus)
-6 Belize +2 Turkey(Ankara)
-6 Canada-Manitoba(Winnipeg) +2 Ukraine(Kyiv, Odessa)
-6 Chile(Easter Islands) +3 East Africa Time
-6 Guadalajara +3 Iraq(Baghdad)
-6 Monterrey +3 Russia(Moscow)
-6 Mexico(Mexico City,Acapulco) +3 St.Petersburg

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