Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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2. In the Forward block, mark the desired radio box in the Mode field.
3. Click Confirm to accept the change.
Note
To activate call forward in phone mode:
1. Press Menu->Features->Call Forward.
2. Press or to select the desired forwarding type, and then press the Enter soft key.
3. Depending on your selection:
a) If you select Always Forward:
1) Press or , or the Switch soft key to select Enabled from the Always
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.
b) If you select Busy Forward:
Call forward mode is configurable via web user interface only.

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