Yealink SIP-T42S User Manual

Basic Call Features
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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.
c) If you select No Answer Forward, you can activate it for a specific account.
1) Press or , or the Switch soft key to select Enabled from the No
Answer Forward field.
2) Enter the destination number you want to forward all unanswered incoming
calls to in the Forward to field.
3) Press or , or the Switch soft key to select the ring time to wait before
forwarding from the After Ring Time field.
The default ring time is 12.
4) (Optional.) Enter the no answer forward on code or off code respectively in the
On Code or Off Code field.
You can also activate no answer forward for all accounts, do the following:
1) Press or to highlight the No Answer 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.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
If you activate call forward for the default account, the associated line icon will change to ,
and the icon will appear on the status bar.
If you activate call forward for the non-default account, only the associated line icon will change
to .
If you activate call forward for all accounts, all line icons will change to , and the icon
will appear on the status bar.
If the forward on code or off code is configured, the IP phone sends the corresponding code to
the server when a certain action takes place. For example, if you set the Always Forward on code

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