Yealink SIP-T41S User Manual

User Guide for T4 Series IP Phones
140
Conference
The IP phones support 3-way local conference and multi-way network conference.
Note
Local Conference
The IP phones support three-way (including yourself) conference call, which is the default
conference type called Local Conference. You can set up a conference between an active call
and a hold call at any time by pressing the Conference (Conf) soft key.
Note
Setting Up a Local Conference Call
Procedure:
1. Place a call to the first party.
2. When the first party answers the call, press Conference (Conf) to place a new call.
3. Enter the number of the second party to dial out.
You can also select a desired contact from the search list, or select a contact from the
placed call list or Directory before you enter the number. On the SIP-T48S/T48G IP phone,
you can select a desired contact from the left sidebar, or select a contact from the Directory
or History.
The active call is placed on hold.
4. When the second party answers the call, press Conference (Conf) again to join all parties in
the conference.
Network conference is not available on all servers. For more information, contact your system
administrator.
To set up a local conference call, make sure local conference feature is enabled. For more
information, contact your system administrator.
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Yealink SIP-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
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
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

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