Yealink SIP-T42G User Manual

User Guide for the SIP-T42G IP Phone
162
 You can find the MAC address on the label of the carton box.
 You can also find the MAC address from the phone’s bar code on the back of the
phone.
Why can’t I sign into the Skype for Business Server on the phone?
 Check your phone is properly connected to the switch or hub.
 Validate your domain name and sign-in information are correct.
 Ensure that DNS address is properly configured on the phone, or DHCP is
configured to provide DNS address as part of DHCP response.
What’s the main difference between PIN Authentication and User Sign in method?
The sign-in screen appears after phone initialization by default. User Sign in uses the
user name, sign-in address and password to sign in. PIN Authentication uses the user’s
phone number (or extension) and PIN to sign in. They are available on the phone user
interface or web user interface.
How to check if the application driver of the Yealink BToE Connector is installed on the
PC?
Do one of the following:
– After installation, if the Yealink BToE Connector and the application driver run
successfully, the notification area of the system tray will prompt: Device driver
software installed successfully.
– Do the following steps to check if the application driver is installed (take the
Windows 2007 operating system as an example):
1. Click the Start button .
2. Click Control Panel->Device Manager.
3. Double click System devices.
4. Check if the driver Yealink BToE Enumerator is displayed.
If Yealink BToE Enumerator is not displayed, reinstall the Yealink BToE Connector
application, and ensure that the application driver is installed during the
installation process.

Yealink SIP-T42G Specifications

General

Power requirements	100-240V, DC 5V
Power over Ethernet (PoE)	Yes
Touchscreen	-
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Voice codecs	G.711, G.723, G.729A, G.729B
Bluetooth	No
RJ-9 ports quantity	2
Ethernet LAN (RJ-45) ports	1
Storage temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Grey
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	189 mm