Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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The phone status is displayed on the first page of the web user interface.
Note
Basic Network Settings
If your phone cannot contact a DHCP server for any reason, you need to configure network
settings manually. The IP phone can support either or both IPv4 and IPv6 addresses.
To configure the IP address mode via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port.
2. Press or to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
You can configure a static IPv4 address for the IP phone. Before configuring it, make sure that
the IP mode is configured as IPv4 or IPv4 & IPv6.
To configure a static IPv4 address via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port.
2. Press to select IPv4 and then press the Enter soft key.
3. Press to select Static IPv4 Client and then press the Enter soft key.
If IP mode of the phone is configured as IPv4 & IPv6, you can enter either of them in the
browser’s address bar to view the phone status. IPv6 is not available on all servers. Contact your
system administrator for more information.

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