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Yealink SIP-T41S Administrator's Guide

Yealink SIP-T41S
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Call Features
412
Parameter
features.conference.local.enable <y0000000000xx>.cfg
Description
It enables or disables the local conference feature for the IP phone.
Note: It works only when “account.X.conf_type” is set to 0 (Local Conference).
Permitted
Values
0-Disabled
1-Enabled
Default
1
Parameter
features.conference.with_previous_call.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to merge two calls into a conference directly by pressing the con-
ference key when there are two calls on the phone.
Permitted
Values
0-Disabled, users can select to set up a conference with the held party or a new party during multiple
calls.
1-Enabled
Default
0
Supported
Devices
All phones except CP920
Parameter
features.local_conf.combine_with_one_press.en-
able
<y0000000000xx>.cfg
Description
It enables or disables the phone to set up a three-way conference directly after the second party
answers the call.
Note: The CONF key is only applicable to T29G/T27G phones. The conference DSS key is not applic-
able to CP920 phones.
Permitted
Values
0-Disabled, the user needs to press the Conf/Conference soft key, CONF key or conference DSS key
again to set up a conference after the second party answers the call.
1-Enabled, the second party joins a conference with the first party after answering the call, both
phones play a warning tone.
Default
0
Parameter
transfer.tran_others_after_conf_enable <y0000000000xx>.cfg
Description
It enables or disables the phone to transfer the local conference call to the other two parties after the
conference initiator drops the local conference call.
Note: It works only if "account.X.conf_type" is set to 0 (Local Conference).
Permitted
Values
0-Disabled, all parties are disconnected when the conference initiator drops the conference call.
1-Enabled, the other two parties remain connected when the conference initiator drops the con-
ference call.
Default
0
Web UI
Features > Transfer > Transfer on Conference Hang up
Network Conference Configuration
Network conference, also known as a centralized conference, provides you with the flexibility of call with multiple
participants (more than three). The phones implement network conference using the REFER method specified in
RFC 4579. This feature depends on the support from a SIP server
For network conference, if any party leaves the conference, the remaining parties are still connected.
The following table lists the parameter you can use to configure the network conference.
Parameter
account.X.conf_uri
[1]
<MAC>.cfg

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Yealink SIP-T41S Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Keypad illuminationYes
Wi-FiNo
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
Volume controlDigital
Number of programmable keys6
Lines quantity6 lines
Phonebook capacity1000 entries
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Input frequency50/60 Hz
AC adapter input voltage100 - 240 V
AC adapter output current1.2 A
AC adapter output voltage5 V
Display diagonal2.7 \
Display resolution192 x 64 pixels
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Voice codecsCNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
CertificationCE
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
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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