Yealink SIP- T28P User Manual

Advanced Phone Features
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3. Press the Option soft key.
4. Press the Edit soft key.
5. Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the
Address field.
The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
6. Enter the group name in the Label field.
7. Press the Save soft key to accept the change.
8. Repeat the step 2-7, you can add more paging groups.
Paging list is configurable via web user interface at the path: Directory->Multicast IP.
To delete paging group via phone user interface:
1. Press the Paging list key when the phone is idle.
2. Press or to select a desired group.
3. Press the Option soft key.
4. Press the Delete soft key.
5. Press the OK soft key to accept the change or the Cancel soft key to cancel.
If you want to delete all paging group, you can press the Delete All soft key.
You can also configure the phone to use a default codec for sending multicast RTP
stream via web user interface.
To configure a default codec for multicast paging via web user interface:
1. Click on Features->General Information.
2. Select the desired codec from the pull-down list of Multicast Codec.

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