Yealink SIP-T42S User Manual

Basic Call Features
103
To activate DND in custom mode:
1. Press the DND soft key when the phone is idle.
The LCD screen displays a list of accounts registered on the phone.
2. You can activate it for a specific account:
1) Press or to select the desired account and then press the Enter soft key.
2) Press or , or the Switch soft key to select Enabled from the DND Status
field.
3) (Optional.) Enter the DND on code or off code respectively in the On Code or Off
Code field.
If the on code or off code is configured, the IP phone will send the corresponding
code to activate or deactivate DND on the server. It is not available on all servers.
You can also activate DND for all accounts:
1) Do the following:
- Press the All On soft key if DND on code and off code are not needed on your
server.
- After DND was activated for a specific account on the step 2, press or
to highlight the DND Status field.
Press the All Lines soft key. The LCD screen prompts “Copy to all lines?”.
Press the OK soft key to accept the change or the Cancel soft key to cancel.
3. Press the Save soft key to accept the change.
If you activate DND for the default account, the associated line icon will change to , and
the icon will appear on the status bar.
If you activate DND for the non-default account, only the icon will appear on the
status bar.
If you deactivate DND for all accounts, the icon appears on the status bar and all line
icons change to .
Note
When DND and busy forward are both activated for a specific account, calls to the specific
account will be sent to the configured destination number. For more information on call forward,
refer to Call Forward on page 105.

Yealink SIP-T42S Specifications

General

Manual	Yes
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Lines quantity	12 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	CNG, 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 diagonal	2.7 \
Display resolution	192 x 64 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Volume control	Digital
Number of programmable keys	6
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm