Yealink SIP-T48U Quick User Guide

QUICK USER GUIDE
YEALINK SIP-T48U
USING YOUR PHONE
NAVIGATING THE TOUCH SCREEN
• To enter the main menu, tap .
• To return to the idle screen, tap .
• To go back to the previous menu, tap .
• To select a soft key, tap the soft key.
• To select an item, tap the item.
• To turn pages, tap or on the touch screen.
• To scroll through values in a pull-down list,
press or .
ENTERING AND UPDATING DATA
To enter data:
1. Tap the field you want to edit.
2. Tap the IME soft key to switch input modes.
3. Enter data using the keypad.
4. Tap the Save soft key.
To select a field option:
Tap the field name, and then tap the field’s highlighted
box. From the pull-down list, tap the desired option.
BASIC CALL FEATURES
PLACING A CALL USING THE HANDSET
1. Pick up the handset.
2. Enter the number, and then tap Send.
USING THE SPEAKERPHONE
1. With the handset on-hook, press .
2. Enter the number, and then tap Send.
USING THE HEADSET
1. With the headset connected, press to activate
the headset mode.
2. Enter the number, and then tap Send.
Note: During a call, you can alternate between the headset,
hands-free speakerphone and handset modes by pressing
the HEADSET key, the Speakerphone key or by picking up
the handset. Headset mode requires a connected headset.
ANSWERING A CALL USING THE HANDSET
Pick up the handset.
USING THE SPEAKERPHONE
Press .
Key Funcon
HEADSET Key Toggles and indicates the headset mode.
MUTE Key Toggles and indicates mute feature.
HOLD Key Places a call on hold or resumes a held call.
TRANSFER Key Transfers a call to another party.
Speakerphone Key
Toggles and indicates the hands-free (speakerphone) mode.
The key LED illuminates solid green when hands-free
(speakerphone) mode is acvated.
MESSAGE Key Accesses voice messages.
REDIAL Key Redials a previously dialed number.
Posion the cursor within text you’re updang.
Enable or disable elds.
Turn pages or scroll through values for a eld.
Scroll through items.
Access History and Directory respecvely.
Conrms acons or answers incoming calls.
Cancels acons or rejects incoming calls.
Volume Key
Adjusts the volume of the handset, headset, speaker, ringer, or
media.
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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