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Yealink SIP-T42S User Manual

Yealink SIP-T42S
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User Guide for the SIP-T42S IP Phone
78
Key Type (Zero Touch)
Label (key label displayed on the LCD screen)
Usage:
1. Press the Zero Touch key to access the zero touch screen.
2. Press the OK soft key within a few seconds.
3. Configure the network parameters in the corresponding fields.
4. Press the Next soft key.
5. Configure the auto provision parameters in the corresponding fields.
6. Press the OK soft key.
The phone will reboot to update configurations.
URL
You can use this key feature to trigger the phone to send an HTTP GET request containing a
specific URL.
Dependencies:
Type (URL)
Label (key label displayed on the LCD screen)
Value (the URL contained in the HTTP GET request)
Usage: Press the URL key to trigger the phone to send an HTTP GET request containing the
URL specified in the Value field.
Phone Lock
You can use this key feature to immediately lock your phone instead of long pressing . For
more information, refer to Phone Lock on page 40.
Dependencies:
Type (Key Event)
Key Type (Phone Lock)
Label (key label displayed on the LCD screen)
Usage: When the phone lock feature is enabled, press the Phone Lock key to immediately lock
your phone instead of long pressing .
Directory
You can use this key feature to easily access frequently used lists. For more information, refer to
Directory on page 45.
Dependencies:
Type (Key Event)
Key Type (Directory)
Label (key label displayed on the LCD screen)
Usage: Press the Directory key to immediately access frequently used lists.
Note
The directory key performs the same function as the Directory soft key when the phone is idle.

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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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