Yealink SIP-T42S User Manual

User Guide for the SIP-T42S IP Phone
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the USB port on your phone, you can record active calls on your phone. The recordings are
saved as *.wav files on your USB flash drive. You can also record active calls by pressing a record
key on the phone (refer to Recording Using a Record Key). The recordings are saved on the
server.
Note
Recording Using a USB Flash Drive
When the phone is idle, and you insert a USB flash drive into the USB port on IP phone, the
phone will detect the USB flash drive. After detecting the USB flash drive, the LCD screen
prompts “USB device is connected!”.
When there is an active call, and you insert a USB flash drive into the USB port on your phone,
the LCD screen will prompt “USB device is connected. Remaining recording time: XX:XX:XX”. For
more information on the available recording time, refer to Viewing the Storage Space on page
144.
The following figure shows an example:
Note
The Start REC soft key controls the recording function, and is available:
 The free space of USB flash drive is sufficient
 When there are one or more calls connected to your IP phone
 During an active call
 When calls are on hold or muted
 During an attended transfer
 During a conference call
Before recording any call, especially those involving PSTN, it is necessary to know about the rules
and restrictions of any governing call-recording in the place you are in. It is also very important to
have the consent of the person you are calling before recording the conversation.
Recording using a USB flash drive is not available by default. For more information, contact your
system administrator.
The size of a single recording file should be less than 2G.

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