Yealink SIP-T41S User Manual

Advanced Phone Features
157
Advanced Phone Features
This chapter explains how to use the advanced features on the IP phone. Topics include:
 Busy Lamp Field (BLF)
 BLF List
 Call Recording
 Hot Desking
 Intercom
 Multicast Paging
 Automatic Call Distribution (ACD)
 Shared Call Appearance (SCA)
 Bridged Line Appearance (BLA)
 Messages
If you require additional information or assistance with your new phone, contact your system
administrator.
Busy Lamp Field (BLF)
You can use BLF to monitor a specific line for status changes on the phone. For example, you
can configure a BLF key on the phone to monitor the status of a friend’s line (busy or idle). The
BLF key LED glows red when the friend’s line is in use.
You can also enable visual and audio alert features for BLF pickup on the phone.
You can use the BLF key to do the following:
 Placing a call to the monitored user
 Transferring a call to the monitored user
 Pick up an incoming call of the monitored user
 Parking a call to/retrieving a parked call from the monitored user
Configuring a BLF Key
You can configure a BLF key to monitor a specific line for status changes on the phone. You can
also initiate an outgoing intercom call to the monitored user, or assign a pick up code for BLF
key first to pick up an incoming call of the monitored user. Check with your system
administrator to find out if these features are available on your phone.
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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