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Yealink SIP-T42S User Manual

Yealink SIP-T42S
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User Guide for the SIP-T42S IP Phone
168
Placing Calls
You can have one call or multiple calls on the shared line.
To place a call on the shared line:
Do one of following:
- Enter the desired number using the keypad when the phone is idle. Press , , or
the Send soft key.
The phone will dial the entered number using the first line key.
- Press the line key when the phone is idle to enter the dialing screen.
Enter the desired number using the keypad and then press , , or the Send soft
key.
The phone will dial the entered number using the selected line key.
To place multiple calls on the shared line:
You can have more than one call on the shared line. To place a new call when there is an active
call on phone A, do one of the following on phone A:
- Press the Hold soft key. The original call is placed on hold.
Press the New Call soft key to enter the dialing screen.
Enter the desired number using the keypad.
Press , , or the Send soft key.
Phone A will dial the entered number using the line key 2 automatically.
- Press the line key. The original call is placed on hold.
Enter the desired number using the keypad.
Press , , or the Send soft key.
Phone A will dial the entered number using the selected line key.
Answering Calls
You can have one call or multiple calls on the shared line. Incoming calls will be distributed
evenly among the available line keys.
To answer a call on the shared line:
When an incoming call arrives on the shared line, the phone A and phone B will ring
simultaneously, and the LED indicators of the line key 1 on both phone A and phone B will flash
green. You can answer the incoming call on either phone A or phone B but not both.
Do one of the following on phone A or phone B:
- Press the line key 1, , or the Answer soft key on phone A.
The LED indicator of the line key 1 on phone A will illuminate solid green and phone B will
illuminate solid red.

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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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