Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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The default device name is “Yealink T42S”.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
The preconfigured Bluetooth device name will display in scanning list of other devices.
Disconnecting the Bluetooth Headset
You can disconnect the Bluetooth headset from your phone. After you disconnect the Bluetooth
headset, it will still remain paired and be displayed in the Paired Bluetooth Device list. So you
can easily connect it to your IP phone again.
To disconnect your Bluetooth headset from your phone:
1. Press Menu->Settings->Basic Settings->Bluetooth->Paired Bluetooth Device.
2. Select the connected Bluetooth headset.
3. Press the Disconnect soft key.
The Bluetooth headset is disconnected. To connect it to your IP phone again, press the
Connect soft key.
Deleting the Paired Bluetooth Headset
You can delete your Bluetooth headset from your phone. When you delete the Bluetooth
headset, it will disappear from the Paired Bluetooth Device list. To connect it to your IP phone
again, you need to scan and connect it again.
To delete your Bluetooth headset from your phone:
1. Press Menu->Settings->Basic Settings->Bluetooth->Paired Bluetooth Device.
2. Select the Bluetooth headset you want to delete.
3. Press the Option soft key, and then select Delete.
The LCD screen prompts the following warning “Delete selected item?”.
4. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel.
Note
You can also delete all headsets by pressing the Option soft key and then select Delete All. For
more information, refer to the above steps.
If you cannot connect a Bluetooth headset to the phone successfully, we recommend that you
delete the Bluetooth headset from the Paired Bluetooth Device list (if it exists) before pairing it.

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