Yealink SIP-T42S User Manual

Table of Contents
xiii
Placing Calls ............................................................................................................................................................ 92
Answering Calls ...................................................................................................................................................... 94
Auto Answer ....................................................................................................................................................... 95
Ending Calls ............................................................................................................................................................. 95
Redialing Numbers ............................................................................................................................................... 96
Recent Call In Dialing .......................................................................................................................................... 96
Auto Redial .............................................................................................................................................................. 97
Call Completion ..................................................................................................................................................... 98
ReCall ......................................................................................................................................................................... 99
Call Mute .................................................................................................................................................................. 99
Muting a Call .................................................................................................................................................... 100
Muting While Dialing .................................................................................................................................... 100
Call Hold/Resume ............................................................................................................................................... 100
Do Not Disturb (DND) ....................................................................................................................................... 101
Call Forward .......................................................................................................................................................... 105
Static Forwarding ............................................................................................................................................ 105
Dynamic Forwarding ..................................................................................................................................... 111
Call Transfer........................................................................................................................................................... 111
Blind Transfer .................................................................................................................................................... 112
Semi-attended Transfer................................................................................................................................ 114
Attended Transfer ........................................................................................................................................... 114
Call Waiting ........................................................................................................................................................... 115
Conference ............................................................................................................................................................ 116
Local Conference ............................................................................................................................................ 116
Network Conference...................................................................................................................................... 117
Call Park/Retrieve ................................................................................................................................................ 119
FAC Mode .......................................................................................................................................................... 120
Transfer Mode .................................................................................................................................................. 122
Call Pickup ............................................................................................................................................................. 124
Directed Call Pickup ....................................................................................................................................... 124
Group Call Pickup ........................................................................................................................................... 126
Anonymous Call .................................................................................................................................................. 128
Anonymous Call Rejection .............................................................................................................................. 129
Advanced Phone Features ......................................................... 131
Busy Lamp Field (BLF) ........................................................................................................................................ 131
Configuring the BLF Feature on the IP Phone ..................................................................................... 131
Using BLF Feature on the IP Phone ......................................................................................................... 136
BLF List .................................................................................................................................................................... 138
Call Recording ...................................................................................................................................................... 139
Recording Using a USB Flash Drive ......................................................................................................... 140
Recording Using a Record Key .................................................................................................................. 144
Hot Desking .......................................................................................................................................................... 146
Intercom ................................................................................................................................................................. 148

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