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Yealink SIP-T48S User Manual

Yealink SIP-T48S
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Table of Contents
vii
Table of Contents
About This Guide ........................................................................... v
In This Guide .............................................................................................................................................................. v
Summary of Changes ............................................................................................................................................. v
Changes for Release 81, Guide Version 81.20 .......................................................................................... v
Table of Contents ......................................................................... vii
Overview ......................................................................................... 1
Hardware Component Instructions .................................................................................................................. 1
Icon Instructions ....................................................................................................................................................... 3
Feature Status Icons............................................................................................................................................ 3
Line Key Icons ........................................................................................................................................................ 4
Other Icons ............................................................................................................................................................. 9
LED Instructions ..................................................................................................................................................... 10
User Interfaces ....................................................................................................................................................... 11
Phone User Interface ....................................................................................................................................... 11
Web User Interface........................................................................................................................................... 11
Documentations .................................................................................................................................................... 14
Getting Started ............................................................................. 15
Packaging Contents ............................................................................................................................................. 15
Optional Accessories ....................................................................................................................................... 16
Phone Installation ................................................................................................................................................. 18
Network Connection ............................................................................................................................................ 21
Connecting to the Wired Network............................................................................................................. 22
Connecting to the Wireless Network ........................................................................................................ 22
Phone Initialization ............................................................................................................................................... 22
Phone Status ........................................................................................................................................................... 23
Basic Network Settings ....................................................................................................................................... 24
Wireless Network Settings ................................................................................................................................ 26
Activating the Wi-Fi Mode ............................................................................................................................ 27
Connecting to the Wireless Network ........................................................................................................ 27
Viewing the Wireless Network Information ........................................................................................... 31
Managing the Saved Wireless Network ................................................................................................... 32
Disconnecting the Wireless Network Connection ............................................................................... 33
Deactivating the Wi-Fi Mode ....................................................................................................................... 34

Table of Contents

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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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