Yealink SIP- T28P User Manual

Enterprise IP Phone Customizing Your Phone
Audio Settings
Volume
You can adjust the volume of handset/speaker/headset.
To adjust the volume when you are not in an active call:
1) Press Menu->Settings->Basic Settings.
2) Scroll to Phone Volume, and press Enter softkey, highlight the one you want to
adjust the volume, use the Volume Adjustment Bar or navigation keys to adjust the
volume.
3) Press OK softkey to save the contrast change or Back softkey to cancel.
To adjust the volume when you are in an active call:
When Handset/Headset/Hands-free mode is activated, press the Volume Adjustment
Bar to a comfortable level.
Note:
The volume can only be adjusted via Phone interface.
Ring Tones
You can adjust the type and volume of the ring tone.
To adjust the Ring Tone Type via Phone interface:
1) Press Menu->Settings->Basic Setting.
2) Scroll to Ring Tone, and press Enter softkey.
3) Use the navigation keys to highlight the specific one.
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Yealink SIP- T28P Specifications

General

Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Keypad number of keys	48
Voice codecs	G.711, G.722, G.723.1, G.726
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Touchscreen	-
Display resolution	320 x 160 pixels
Lines quantity	- lines
Phonebook capacity	- entries
Number of VoIP accounts	6
Bluetooth	No
Security algorithms	HTTPS, SSL/TLS
AC adapter input voltage	100 - 240 V
AC adapter output voltage	5 V
Power consumption (typical)	2.6 W
Operating relative humidity (H-H)	10 - 95 %
Compliance industry standards	IEEE 802.3af
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	204 mm
Width	273 mm
Height	42 mm
Weight	1050 g