Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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Forward field.
2) Enter the destination number you want to forward all incoming calls to in the
Forward to field.
3) (Optional.) Enter the always forward on code or off code respectively in the On
Code or Off Code field.
You can also activate always forward for all accounts, do the following:
1) Press or to highlight the Always Forward field.
2) Press the All Lines soft key.
The LCD screen prompts “Copy to all lines?”.
3) Press the OK soft key to accept the change or the Cancel soft key to cancel.
b) If you select Busy Forward, you can activate it for a specific account.
1) Press or , or the Switch soft key to select Enabled from the Busy
Forward field.
2) Enter the destination number you want to forward incoming calls to when the
phone is busy in the Forward to field.
3) (Optional.) Enter the busy forward on code or off code respectively in the On
Code or Off Code field.
You can also activate busy forward for all accounts, do the following:
1) Press or to highlight the Busy Forward field.
2) Press the All Lines soft key.

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