Yealink SIP-T42S User Manual

Getting Started
17
Wall Mount Method (Optional)
Note
2) Connect the handset and optional headset
Note
3) Connect the optional USB flash drive
Note
EHS36 is used for connecting the phone and a compatible wireless headset. For more
information on how to use EHS36, refer to Yealink EHS36 User Guide .
The reversible tab has a lip which allows the handset to stay on-hook when the IP phone is
mounted vertically.
For more information on how to attach the wall mount bracket, refer to Yealink Wall Mount
Quick Installation Guide for Yealink IP Phones .
The USB flash drive should be purchased separately if required.
The USB port can also be used to connect the Bluetooth USB dongle BT40 or Wi-Fi USB dongle
WF40. The Bluetooth USB dongle BT40 and Wi-Fi USB dongle WF40 should be purchased
separately. For more information on how to use the BT40 and WF40, refer to Yealink Bluetooth
USB Dongle BT40 User Guide and Yealink Wi-Fi USB Dongle WF40 User Guide .

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