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Yealink SIP-T48S Quick Start Guide

Yealink SIP-T48S
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Using Your Phone
Navigating the Touch Screen
To enter the main menu, tap .
T
o 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 ou 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 nam , and then tap the fiel 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 .
Using the headset:
Press .
Note: You can reject an incoming call by tapping the Reject soft key.
Ending a Call
Using the handset:
Hang up the handset or tap the End Call soft key.
ENGLISH
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Yealink SIP-T48S Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Keypad illuminationYes
Display diagonal7 \
Display resolution800 x 480 pixels
AC adapter input voltage100 - 240 V
AC adapter output current2 A
AC adapter output voltage5 V
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Front cameraNo
Voice codecsCNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity16 lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Keypad number of keys42
Security algorithmsAES
Networking standardsIEEE 802.3af
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsSIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, HTTPS
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth225 mm
Width266 mm
Height185 mm
Package depth263 mm
Package width324 mm
Package height128 mm

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