Yealink SIP-T20P User Manual

Basic Call Features
67
You can use anonymous call rejection feature to reject incoming calls from anonymous
callers. Anonymous call rejection automatically rejects incoming calls from callers who
deliberately block their identities and numbers from showing up.
To configure anonymous call rejection via phone user interface:
1. Press .
2. Select Features->Anonym Call.
3. Press or to select the desired line from the Line ID field.
4. Press or to scroll to the Rejection field.
5. Press or to select Enable from the Rejection field.
6. (Optional.) Enter the anonymous call rejection on code in the Rejection On field.
7. (Optional.) Enter the anonymous call rejection off code in the Rejection Off field.
8. Press to accept the change.
You can also configure anonymous call rejection via web user interface at the path
Account->Basic>>.

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