Yealink SIP- T28P User Manual

User Guide for the SIP-T28P IP Phone
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2. Click Reboot to reboot the phone.
Note
How to export PCAP trace?
We may need you to provide a PCAP trace to help analyze your problem.
To export a PCAP trace via web user interface:
1. Click on Settings->Configuration.
2. Click Start to begin recording signal traffic.
3. Recreate the error to be documented in the trace.
4. Click Stop to end recording.
5. Click Export to open file download window, and then save the file to your local
system.
How to export system log?
We may need you to provide a system log to help analyze your problem.
To export the system log to a local PC via web user interface:
1. Click on Settings->Configuration.
2. Select 6 from the pull-down list of System Log Level.
3. Click Confirm to accept the change.
4. Mark the Local radio box in the Export System Log field.
Any reboot of the phone may take a few minutes.

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