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Yealink SIP-T42S User Manual

Yealink SIP-T42S
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Basic Call Features
129
Anonymous Call Rejection
You can use anonymous call rejection to reject incoming calls from anonymous callers.
Anonymous call rejection automatically rejects incoming calls from callers who deliberately
block their identities and numbers from being displayed. Anonymous call rejection is
configurable on a per-line basis. You can also configure the phone to send anonymous call
rejection on/off code to the server to activate/deactivate anonymous call rejection on the server
side.
To configure anonymous call rejection via phone user interface:
1. Press Menu->Features->Anonymous Call.
2. Press or , or the Switch soft key to select the desired line from the Line ID field.
3. Press or to scroll to the Local Anonymous Rejection field.
4. Press or , or the Switch soft key to select Enabled from the Local Anonymous
Rejection field.
5. (Optional.) Press or , or the Switch soft key to select the desired value from the
Send Rejection Code field.
The phone will send the configured on code or off code depending on your selection when
you enable or disable anonymous call rejection feature on the phone.
6. (Optional.) Enter the anonymous call rejection on code and off code respectively in the On
Code and Off Code field.
7. Press the Save soft key to accept the change or the Back soft key to cancel.
Anonymous call rejection is configurable via web user interface at the path Account->Basic.

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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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