Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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Book to enter the remote phone book.
2. Select the desired remote group, and then press the Enter soft key to load the
remote phone book.
3. Select the desired contact in the remote phone book.
4. Press the Send soft key.
In addition, you can enable the phone to present the caller identify stored in the remote
phone book when receiving a call.
To enable the presentation of caller identify stored in a remote phone book via web user
interface:
1. Click on Directory->Remote Phone Book.
2. Select Enabled from the pull-down list of Incoming/Outgoing Call lookup.
3. Enter the desired refresh period in the Update Time Interval (Seconds) field.
The default value is 21600 seconds.
4. Click Confirm to accept the change.
The SIP-T28P IP phone maintains call history lists of Placed Calls, Received Calls, Missed
Calls and Forwarded Calls. Call history lists support 100 entries in all. You can view call
history, place a call, add a contact or delete an entry from the call history list.
History record feature is enabled by default. If you don’t want to save the call history,
you can disable the feature.
To disable history record via phone user interface:
1. Press Menu->Features->History Setting.

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