Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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key to activate Wi-Fi mode directly and scan Wi-Fi devices automatically.
To activate the Wi-Fi mode via phone user interface:
1. Press Menu->Settings->Basic Settings->Wi-Fi.
2. Press or , or the Switch soft key to select On from the Wi-Fi field.
3. Press the Save soft key.
The IP phone scans the available wireless networks in your area.
Connecting to the Wireless Network
Three ways to connect SIP-T42S IP phone to the wireless network:
 Manually connect to an available wireless network
 Wi-Fi Protected Setup (WPS)
 Manually add a wireless network
Manually Connect to an Available Wireless Network
To manually connect to a wireless network via phone user interface:
1. Press Menu->Settings->Basic Settings->Wi-Fi.
2. Press or to highlight X Available Network(s) (X represents the number of
available networks), and then press the Enter soft key.
If there is no available wireless network, press the Scan soft key to search for the wireless
network again.
3. Press or to select the desired wireless network.
4. Press the Connect soft key.

Yealink SIP-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