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Yealink SIP-T41S Administrator's Guide

Yealink SIP-T41S
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Call Features
376
Call Timeout Configuration
Call Timeout Configuration
The following table lists the parameter you can use to configure call timeout.
Parameter
phone_setting.ringback_timeout <y0000000000xx>.cfg
Description
It configures the duration time (in seconds) in the ringback state.
If it is set to 180, the phone will cancel the dialing if the call is not answered after 180 seconds.
Permitted
Values
Integer from 1 to 3600
Default
180
Anonymous Call
Anonymous call allows the caller to conceal the identity information shown to the callee. The callee’s phone LCD
screen prompts an incoming call from anonymity.
Anonymous calls can be performed locally or on the server. When performing anonymous call on local, the phone
sends an INVITE request with a call source "
From: "Anonymous" sip:anonymous@anonymous.invalid
”. If per-
forming Anonymous call on a specific server, you may need to configure anonymous call on code and off code to
activate and deactivate server-side anonymous call feature.
Topic
Anonymous Call Configuration
Anonymous Call Configuration
The following table lists the parameters you can use to configure the anonymous call.
Parameter
account.X.anonymous_call
[1]
<MAC>.cfg
Description
It triggers the anonymous call feature to on or off.
Permitted
Values
0-Off
1-On, the phone will block its identity from showing to the callee when placing a call. The callee’s
phone screen presents “Anonymous” instead of the caller’s identity.
Default
0
Web UI
Account > Basic > Local Anonymous
Phone UI
Menu > Features > Anonymous Call > Local Anonymous
Parameter
account.X.send_anonymous_code
[1]
<MAC>.cfg
Description
It configures the phone to send anonymous on/off code to activate/deactivate the server-side anonym-
ous call feature for a specific account.
Permitted
Values
0-Off Code, the phone will send anonymous off code to the server when you deactivate the anonym-
ous call feature.
1-On Code, the phone will send anonymous on code to the server when you activate the anonymous
call feature.
Default
0
Web UI
Account > Basic > Send Anonymous Code

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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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