Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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You can configure what contact information presents and how to display the contact information. If the contact exists
in the phone directory, the phone displays the saved contact name and number. If not, it will use the Calling Line
Identification Presentation (CLIP) or Connected Line Identification Presentation (COLP) to display the contact’s iden-
tity.
Topic
Call Display Configuration
Call Display Configuration
The following table lists the parameters you can use to configure the call display.
Parameter
phone_setting.contact_photo_display.enable <y0000000000xx>.cfg
Description
It configures whether to display contact avatar when it receives an incoming call, dials an outgoing
call or engages in a call.
Permitted
Values
0-Never, do not display contact avatar no matter whether the contact avatar exists or not
1-Always, display the customized contact avatar if it exists; display the built-in avatar if the customized
contact avatar does not exist
2-Adaptive, display the customized contact avatar if it exists; otherwise, do not display
Default
1
Supported
Devices
All color screen phones
Web UI
Settings > Call Display > Contact Photo Display Mode
Parameter
phone_setting.little_contact_photo_display.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display the little contact photo when it receives an incoming call,
dials a call or is in a call.
Note: It works only if "phone_setting.contact_photo_display.enable" is set to 1 (Always) or 2 (Adapt-
ive).
Permitted
Values
0-Disabled
1-Enabled, the phone can display the full 16-digit number.
Default
1
Supported
Devices
T46U, T46S
Parameter
account.X.picture_info_enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to download the picture from the URL contained in the Call-Info
header of the INVITE message.
Format of call info:

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