Yealink SIP-T42S Quick Start Guide

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Quick Start Guide
Ultra-elegant Gigabit IP Phone – SIP-T42S
Register status icons on the LCD screen:
Registered Registering Register Failed
Note:
• Check with your system administrator if any error appears during the registration process or a specific
configuration is required for your registration.
CONFIGURING VIA PHONE USER INTERFACE
Network Settings:
Press the Menu soft key when the phone is idle, select Settings->Advanced Settings (default password:
admin)->Network->WAN Port/VLAN/Web Server/802.1x/VPN/LLDP/CDP/NAT to configure the network.
Account Settings:
Press the Menu soft key when the phone is idle, select Settings->Advanced Settings (default password:
admin)->Accounts to configure the account.
Note:
• For more information on account parameters, refer to Configuring via web user interface above.
BASIC CALL FEATURES
PLACING A CALL
Using the handset:
1. Pick up the handset.
2. Enter the number, and then press the Send soft key.
Using the speakerphone:
1. With the handset on-hook, press .
2. Enter the number, and then press the Send soft key.
Using the headset:
1. With the headset connected, press to activate the headset mode.
2. Enter the number, and then press the Send soft key.
Note:
• During a call, you can alternate between the headset, hands-free speakerphone and handset modes by
pressing the Headset key, the Speakerphone key or by picking up the handset. Headset mode requires
a connected headset.

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