Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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Activating the Bluetooth Mode
When you insert Bluetooth USB dongle BT40 into the USB port at the back of the IP phone, the
LCD screen prompts “Bluetooth adapter is added, scanning Bluetooth devices?”. You can press
the OK soft key to enter the Bluetooth screen. You can activate Bluetooth mode and then scan
Bluetooth devices.
To activate the Bluetooth mode via phone user interface:
1. Press Menu->Settings->Basic Settings->Bluetooth.
2. Press or , or the Switch soft key to select On from the Bluetooth field.
3. Press the Save soft key to accept the change.
The Bluetooth status is displayed on the center of LCD screen when the phone is idle.
Bluetooth mode is configurable via web user interface at the path Features->Bluetooth.
Pairing and Connecting the Bluetooth Headset
Before you pair a Bluetooth headset, check the indicator on the Bluetooth headset to make sure
that the Bluetooth headset is discoverable. For more information, refer to the documentation
from the Bluetooth headset manufacturer.
To pair and connect your Bluetooth headset to your IP phone:
1. Press Menu->Settings->Basic Settings->Bluetooth.
2. Press the Scan soft key to search the Bluetooth devices.

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