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Yealink SIP-T42S User Manual

Yealink SIP-T42S
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User Guide for the SIP-T42S IP Phone
150
To configure intercom features via phone user interface:
1. Press Menu->Features->Intercom.
2. Make the desired changes.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
Intercom features are configurable via web user interface at the path Features->Intercom.
Using Intercom
You can use the intercom key in the following ways:
Place a call to the target extension
Pick up an incoming call of the target extension
Note
Placing an Intercom Call to the Target Extension
To place an intercom call when the target phone is idle:
1. Press the intercom key.
The target extension plays a warning tone and automatically answers the call in the
hands-free (speakerphone) mode by default.
2. To end the intercom call, press the intercom key again or the End Call soft key.
Picking up an Incoming Call of the Target Extension
When the target extension receives an incoming call, the intercom key LED of the target
extension will flash green. If you configure the directed call pickup code in advance, you can pick
up the target extension’s incoming call by pressing the intercom key. You can configure the
directed call pickup code when configuring an intercom key. For more information, refer to
Configuring an Intercom Key on page 148.
To pick up an incoming call when the monitored phone is ringing:
1. Press the intercom key.
The incoming call of the target extension is answered on the IP phone.
Note
If the directed call pickup code is not configured, the phone will place a call to the target
extension instead of picking up an incoming call of the target extension when you press the
intercom key.
To use the intercom key to pick up an incoming call, make sure the intercom subscription feature
is enabled. For more information, contact your system administrator.

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Yealink SIP-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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