<s>
DingTalk	B-Protocol
(	O
)	O
is	O
an	O
enterprise	O
communication	O
and	O
collaboration	O
platform	O
developed	O
by	O
Alibaba	O
Group	O
.	O
</s>
<s>
DingTalk	B-Protocol
provides	O
iOS	B-Application
and	O
Android	B-Application
apps	O
as	O
well	O
as	O
Mac	O
and	O
PC	O
clients	O
.	O
</s>
<s>
On	O
January	O
16	O
,	O
2015	O
,	O
DingTalk	B-Protocol
launched	O
the	O
testing	O
version	O
1.1.0	O
.	O
</s>
<s>
On	O
January	O
15	O
,	O
2018	O
,	O
DingTalk	B-Protocol
launched	O
the	O
English	O
version	O
of	O
its	O
application	O
in	O
Malaysia	O
,	O
its	O
first	O
market	O
outside	O
of	O
China	O
(	O
although	O
it	O
can	O
be	O
downloaded	O
and	O
used	O
in	O
other	O
markets	O
such	O
as	O
Bangladesh	O
,	O
US	O
,	O
etc	O
.	O
)	O
.	O
</s>
<s>
At	O
the	O
same	O
time	O
,	O
DingTalk	B-Protocol
noted	O
that	O
in	O
November	O
2017	O
it	O
had	O
launched	O
hardware	O
devices	O
such	O
as	O
the	O
“	O
smart	O
receptionist	O
”	O
that	O
enables	O
employee	O
check-in	O
by	O
fingerprint	O
or	O
facial	O
recognition	O
.	O
</s>
<s>
On	O
April	O
8	O
,	O
2020	O
,	O
DingTalk	B-Protocol
Lite	O
was	O
released	O
on	O
various	O
app	O
stores	O
across	O
key	O
Asian	O
markets	O
,	O
including	O
Japan	O
,	O
Indonesia	O
,	O
Malaysia	O
,	O
and	O
other	O
countries	O
and	O
regions	O
.	O
</s>
<s>
DingTalk	B-Protocol
Lite	O
comes	O
with	O
necessary	O
features	O
such	O
as	O
messaging	O
,	O
file	B-Operating_System
sharing	O
,	O
and	O
video	O
conferencing	O
.	O
</s>
<s>
The	O
Unique	O
Read/Unread	O
Mode	O
is	O
to	O
improve	O
communication	O
efficiency	O
and	O
messages	O
can	O
be	O
delivered	O
with	O
DING	O
,	O
which	O
can	O
alert	O
the	O
recipients	O
through	O
phone	O
call	O
,	O
SMS	B-Device
,	O
and	O
the	O
app	O
itself	O
.	O
</s>
<s>
DingTalk	B-Protocol
is	O
one	O
of	O
the	O
first	O
Chinese	O
apps	O
to	O
have	O
obtained	O
the	O
ISO/IEC	O
27001:2013	O
standard	O
.	O
</s>
<s>
Data	O
are	O
encrypted	O
at	O
SSL/TLS	B-Protocol
security	O
standards	O
.	O
</s>
