Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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To enable allow trans exist call via web user interface:
1. Click on Features->General Information.
2. Select Enabled from the pull-down list of Allow Trans Exist Call.
3. Click Confirm to accept the change.
Blind Transfer
Before performing a blind transfer (except you use dial number method), make sure that the
transfer mode on DSS key is configured as Blind Transfer. For more information on how to
configure it, refer to Configuring Transfer Mode on DSS Key on page 135.
To perform a blind transfer during a call:
1. Press the Transfer soft key during a call.
2. You can do one of the following:
- Enter the number you want to transfer the call to.
Press the Transfer soft key to complete the transfer.
If you are using a handset, the transfer can be completed by hanging up the handset.
- Press the Directory soft key, and then select Local Directory. Select the desired
group and search for the contact (Directory should be configured in advance. Refer to

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