Yealink T42S User Manual

Getting Started
12
Getting Started
Before you use your phone, take some time to get familiar with its features and user interface.
The terms "the phone" and "your phone" refer to any of the IP phones.
Topics
Hardware Overview
Screen and Icons
Entering Characters on T48S/T48G
Entering Characters on T46S/T46G/T42S/T42G/T41S/T41P/T40P/T40G
Hardware Overview
Understanding the phone hardware helps you easily use the phone's features.
Yealink T4 series phones have distinct hardware types:
Hardware T42G/T41P/T40P/T40G T42S/T41S T46S/T46G T48S/T48G
Screen Grayscale Grayscale Color
Color
Touch-sensitive
Line Keys and soft keys Yes Yes Yes No
USB Port No Yes Yes Yes
Topics
T48S/T48G Hardware
T46S/T46G/T42S/T42G/T41S/T41P/T40P/T40G Hardware
Power LED Indicator
Line Key LED

Yealink T42S Specifications

General

Manual	Yes
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Lines quantity	12 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Volume control	Digital
Number of programmable keys	6
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm