<s>
The	O
E20	O
is	O
an	O
entry-level	O
personal	O
videoconferencing	B-Application
system	O
produced	O
by	O
the	O
Norwegian	O
company	O
Tandberg	O
.	O
</s>
<s>
It	O
features	O
a	O
LCD	B-Device
widescreen	O
,	O
a	O
five-megapixel	O
camera	O
,	O
CD	O
quality	O
audio	O
and	O
DVD-quality	O
video	O
.	O
</s>
<s>
As	O
a	O
standards	O
based	O
SIP	B-Application
system	O
,	O
the	O
Tandberg	B-Protocol
E20	I-Protocol
supports	O
MPEG-4	B-Algorithm
AAC-LD	B-Algorithm
for	O
audio	O
and	O
H.264	B-Application
,	O
H.263	B-Algorithm
+	O
,	O
and	O
H.263	B-Algorithm
for	O
video	O
.	O
</s>
<s>
Tandberg	O
were	O
acquired	O
by	O
Cisco	O
in	O
2009	O
,	O
and	O
subsequently	O
took	O
over	O
the	O
Tandberg	O
Video	B-Application
Conferencing	I-Application
line	O
,	O
integrating	O
this	O
within	O
the	O
Cisco	O
Telepresence	O
product	O
line	O
.	O
</s>
