Yealink SIP-T40P User Manual

Advanced Phone Features
121
Advanced Phone Features
This chapter provides operating instructions for the advanced features of the SIP-T40P IP phone.
Topics include:
 Busy Lamp Field (BLF)
 BLF List
 Call Recording
 Hot Desking
 Intercom
 Multicast Paging
 Music on Hold (MoH)
 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 illuminates solid red when the friend's line is in use. For more information on BLF
key LED indicators, refer to LED Instructions on page 5.
Configuring the BLF Feature on the IP Phone
You need to configure the IP phone to perform BLF monitoring. IP phones being monitored do
not require any configuration.
Configuring a BLF Key
To configure a BLF key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.

Yealink SIP-T40P Specifications

General

Wi-Fi	No
Quality of Service (QoS) support	Yes
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
Power consumption (typical)	3.23 W
Battery voltage	5 V
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.711, G.722, G.726, G.729A, G.729B
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	256 mm
Package width	620 mm
Package height	233 mm
Package weight	6400 g