Yealink SIP-T20P User Manual

Enterprise IP Phone Customizing Your Phone
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Choose Phone->Preference->Ring Type, highlight the specific one in the scroll-down
menu, choose confirm button to update the change. You can also delete the specific one
by choose Delete button.
To upload the new Ring Tone via Web interface:
1) Choose Browse button to choose the specific ring tone file.
2) Choose Upload button to upload the file, and then Confirm to save the change.
Note:
The ring tone file format must be in 16bits WAV format (via Ulaw Compression), 8K
sample rate (monophony). Blank or other special characters can not be included in the
file name.
Codec Selection
The IP phone supports the following voice codecs:
G.722, G.723_53, G.723_63, G.726-16, G.726-24, G.726-32, G.726-40, G.729, PCMU,
and PCMA.
You can enable/disable the desired codecs via Web interface. Please contact your
System Administrator for more details about the codecs.
To enable/disable the codecs:
1) Choose Account->Account X (X stand for Account number) ->Codecs.

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