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Yealink T42S User Manual

Yealink T42S
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Advanced Call Features
78
Intercom Mute feature allows the phone to mute the microphone when incoming intercom calls are answered auto-
matically.
Intercom Tone
Intercom Tone feature allows the phone to play a warning tone before answering an intercom call automatically.
Intercom Barge
Intercom Barge allows the phone to automatically answer an incoming intercom call while an active call is in progress.
The active call will be placed on hold. If you disable this feature, the phone will handle an incoming intercom call like a
normal incoming call while there is already an active call on the phone.
Note
To enable the phone to receive a new incoming call when it already has an active call, make sure that the call waiting feature
is enabled on the phone in advance.
Procedure
1. Navigate to Menu > Features > Intercom.
2. Make the desired changes.
3. Select Save.
Related Topics
Switching Among the Handset, Speakerphone and Headset Modes
Muting/Unmuting Audio
Answering a Call When in a Call
Short Message Service (SMS)
Text messages can be stored in your phone’s Inbox, Sentbox, Outbox or Draftbox, and each box stores up to 100 text
messages.
If there are more than 100 text messages in any one of the boxes, the phone will directly delete the oldest text message
in the box.
Note
SMS is not available on all servers. Contact your system administrator for more information.
Topics
Reading a Text Message
Sending a Text Message
Replying to a Text Message
Deleting a Text Message
Reading a Text Message
You can read your text messages on the phone, to obtain text information sent by a contact.
Procedure
1. Navigate to Menu > Message > Text Message > Inbox.
2. Highlight the desired message and select View.
On the T48S/T48G phones, tap the desired text message to read.

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Yealink T42S Specifications

General IconGeneral
ManualYes
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Lines quantity12 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Voice codecsCNG, 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 diagonal2.7 \
Display resolution192 x 64 pixels
AC adapter input voltage100 - 240 V
AC adapter output current1.2 A
AC adapter output voltage5 V
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Volume controlDigital
Number of programmable keys6
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Networking standardsIEEE 802.3af
Ethernet LAN data rates10, 100 Mbit/s
Ethernet LAN interface typeFast Ethernet
Supported network protocolsSIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Weight and Dimensions IconWeight and Dimensions
Depth189 mm
Width212 mm
Height175 mm
Package depth223 mm
Package width246 mm
Package height120 mm

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