<s>
MicroSIP	B-Protocol
is	O
a	O
portable	O
SIP	B-Application
softphone	B-Protocol
based	O
on	O
the	O
PJSIP	O
stack	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
It	O
facilitates	O
high	O
quality	O
VoIP	B-Application
calls	I-Application
(	O
p2p	O
or	O
on	O
regular	O
telephones	O
)	O
based	O
on	O
the	O
open	O
SIP	B-Application
protocol	O
.	O
</s>
<s>
MicroSIP	B-Protocol
falls	O
into	O
the	O
free	B-Application
and	I-Application
open	I-Application
source	I-Application
software	I-Application
category	O
and	O
is	O
being	O
released	O
under	O
the	O
GNU	B-License
GPL-2.0-or-later	I-License
.	O
</s>
<s>
Support	O
for	O
a	O
number	O
of	O
codecs	O
:	O
Opus	B-Algorithm
,	O
SILK	O
,	O
G.722	B-Algorithm
,	O
G.729	B-Algorithm
,	O
G.723.1	B-Algorithm
,	O
G.711	B-Algorithm
,	O
Speex	B-Application
,	O
iLBC	B-Algorithm
,	O
GSM	B-Algorithm
,	O
AMR	B-Algorithm
,	O
AMR-WB	B-Algorithm
,	O
and	O
video	O
codecs	O
H.264	B-Application
,	O
H.263	O
+	O
,	O
VP8	B-Algorithm
.	O
</s>
