Yealink SIP-T40P User Manual

Basic Call Features
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For multiple numbers, enter a comma between every two numbers.
4. Click Confirm to accept the change.
When DND is activated on the phone, the phone can still receive incoming calls from the
numbers specified in the DND Authorized Numbers field.
Note
To deactivate DND in phone mode:
1. Press the DND soft key when the phone is idle.
To deactivate DND in custom mode:
1. Press the DND soft key when the phone is idle.
2. Press or to select the desired account and then press the Enter soft key.
3. Press or , or the Switch soft key to select Disabled from the DND Status field.
If you want to deactivate DND for all accounts, press the All Lines soft key.
4. Press the Save soft key to accept the change.
DND authorized number is configurable via web user interface only.
When the phone misses a call, a prompt window will pop up by default. If you want to disable the
feature, contact your system administrator for more information.

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