Yealink T42S Quick Reference Guide

Quick Reference Guide
Yealink T42S
Blue Platform
2700 Oregon Road • Northwood, OH 43619 | 1645 West Chester Pike • West Chester, PA 19382 • 1.888.808.6111 | www.telesystem.us
Available features may vary. Provided feature set is based on the original order and
the system administrator’s requests for each deployment. Please contact your system
administrator or Telesystem directly to discuss any additions to the system.
Basic Call Handling
Make a call
Lift the handset then enter the phone number, extension, or code you wish to dial.
Press Send to initiate the call or wait for it to go through.
Most deployments should be sure to dial 1 before an out of area phone number.
Answer a call
Lift the handset then begin speaking to the caller.
Alternately, the Answer soft key, Speaker button, or Headset button may be pressed
to answer an incoming call.
End a call
Hang up the handset or press the End Call soft key.
Speaker
Press the speaker button to use speaker audio mode.
Headset
Press the headset button to use headset mode audio (must have a headset
attached).
Volume
Press the volume buttons to adjust volume for your ringer when idle or
audio mode while on a live call.
Mute
Press the mute button to mute your audio while on a call. Press again to
disengage.
Soft keys:
four state-
based keys
that line the
bottom of the
screen. Press
the More key
to see
additional
options.
Mute
Headset
Volume
Navigational
Buttons
Dial Pad
Message Waiting
Indicator (Voicemail)
Programmable Top Keys: At least one line key plus up to 14
other buttons may be programmed on the keys that line the
right and left side of the dynamic screen.
Messages
Redial
Speaker
Yealink T42S
Quick Reference Guide

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