Yealink SIP-T20P User Manual

User Guide SIP-T20P IP Phone
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You can press a call return key to place a call back to the last incoming call.
To configure a call return key via phone user interface:
1. Press .
2. Select Features->DSS Keys.
3. Select a desired DSS key.
4. Press or to select Key Event from the Type field.
5. Press or to select Call Return from the Key Type field.
6. Press to accept the change.
You can also configure a call return key via web user interface at the path Phone->DSS
Keys.
You can mute the microphone of the active audio device during an active call, then the
other party cannot hear you.
To mute a call:
1. Press during an active call.
The phone LCD screen indicates that the call is on mute.
To un-mute a call:
1. Press again to un-mute a call.
You can place an active call on hold. At any time, at most one active call can be in
progress on your phone, other calls can be received and made while placing the
original call on hold. When placing a call on hold, your IP PBX might play a melody or
1. Type:
◄ Key Event ►
1234
Mute 01:20

Yealink SIP-T20P Specifications

General

Keypad number of keys	31
Speakerphone	Yes
Voice codecs	G.711, G.722, G.723.1, G.726
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Touchscreen	-
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
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	200 mm
Width	185 mm
Height	90 mm
Weight	770 g