Yealink SIP-T42S User Manual

Customizing Your Phone
43
To adjust the ringer volume when the phone is ringing:
1. Press to adjust the ringer volume.
You can also press to adjust the ringer volume when selecting a ring tone. For
more information, refer to Ring Tones on page 43.
Note
To adjust the volume when the phone is during a call:
1. Press to adjust the volume of currently engaged audio device (handset,
speakerphone or headset).
Note
Ring Tones
Ring tones are used to indicate incoming calls. You can select different ring tones to distinguish
different accounts registered on your phone, or to distinguish your phone from your neighbor’s.
The ring tone format must meet the following:
Format
Single File Size
Note
.wav
<=8MB
2MB of space should be reserved for
the phone
To select a ring tone for the phone via phone user interface:
1. Press Menu->Settings->Basic Settings->Sound->Ring Tones->Common.
2. Press or to select the desired ring tone.
If the ringer volume is adjusted to minimum, the icon will appear on the LCD screen.
You can also press to adjust the volume when playing back the recording calls. For
more information, refer to Playing Back Recorded Calls on page 143.

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