Yealink SIP-T42S User Manual

Basic Call Features
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Basic Call Features
The SIP-T42S IP phone is designed to be easily used like a regular phone on a public switched
telephone network (PSTN). You can place calls, answer calls, transfer a call to someone else, or
conduct a conference call.
This chapter provides basic operating instructions for the SIP-T42S IP phone. Topics include:
 Placing Calls
 Answering Calls
 Ending Calls
 Redialing Numbers
 Recent Call In Dialing
 Auto Redial
 Call Completion
 ReCall
 Call Mute
 Call Hold/Resume
 Do Not Disturb (DND)
 Call Forward
 Call Transfer
 Call Waiting
 Conference
 Call Park/Retrieve
 Call Pickup
 Anonymous Call
 Anonymous Call Rejection
If you require additional information or assistance with your new phone, contact your system
administrator.

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