Yealink SIP- T28P User Manual

Basic Call Features
75
To place a call using the headset:
Do one of the following:
- With the optional headset connected, press to activate the headset mode.
Press the line key to obtain a dial tone.
Enter the desired number using the keypad.
Press , , or the Send soft key.
- With the optional headset connected, press to activate the headset mode.
Enter the desired number using the keypad.
Press , , or the Send soft key.
Note
The SIP-T28P IP phone can handle multiple calls at a time. However, only one active call
(the call that has audio associated with it) can be in progress at any given time. The
SIP-T28P IP phone can handle a maximum of 6 calls at one time.
To place multiple calls:
You can have more than one call on your SIP-T28P IP phone. To place a new call during
an active call, do one of the following:
- Press the line key. The active call is placed on hold.
Enter the desired number using the keypad.
Press , , or the Send soft key.
- Press or the Hold soft key to place the original call on hold.
Press the New Call soft key.
Enter the desired number using the keypad.
Press , , or the Send soft key.
You can press or to switch between the calls, and then press the Resume soft
key to retrieve the desired call.
Note
When you are not in another call, you can answer a call in one of three ways:
 Using the handset
 Using the speakerphone
To permanently activate the headset mode, refer to Headset Prior on page 51.
If multiple accounts are registered on the phone, you can first press the desired line key
in the idle screen or press the Line soft key in the dialing screen, and then you can use
the selected account to place a call.

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