<s>
MoIP	B-Protocol
,	O
or	O
mobile	O
communications	O
over	O
Internet	B-Protocol
Protocol	I-Protocol
,	O
is	O
the	O
mobilization	O
of	O
peer-to-peer	O
communications	O
including	O
chat	O
and	O
talk	O
using	O
Internet	B-Protocol
Protocol	I-Protocol
via	O
standard	O
mobile	O
communications	O
applications	O
including	O
3G	B-Architecture
,	O
GPRS	B-General_Concept
,	O
Wi-Fi	O
as	O
well	O
as	O
Wimax	O
.	O
</s>
<s>
Unlike	O
mobile	B-Protocol
VoIP	I-Protocol
,	O
MoIP	B-Protocol
is	O
not	O
a	O
VoIP	B-Application
program	O
made	O
accessible	O
from	O
mobile	O
phones	O
or	O
a	O
switchboard	B-Device
application	O
using	O
VoIP	B-Application
in	O
the	O
background	O
.	O
</s>
<s>
MoIP	B-Protocol
applications	O
typically	O
work	O
without	O
any	O
proprietary	B-Device
hardware	I-Device
,	O
are	O
enhanced	O
with	O
real-time	O
contact	O
availability	O
(	O
presence	O
)	O
and	O
save	O
the	O
users	O
money	O
by	O
utilizing	O
free	B-Application
Wi-Fi	I-Application
internet	O
access	O
or	O
fixed	O
internet	O
data	O
plans	O
instead	O
of	O
GSM	O
(	O
talk	O
)	O
minutes	O
.	O
</s>
<s>
They	O
are	O
completely	O
mobile-centric	O
,	O
designed	O
and	O
optimized	O
specifically	O
for	O
mobile-handsets	O
environment	O
rather	O
than	O
the	O
PC	B-Device
.	O
</s>
<s>
MoIP	B-Protocol
is	O
also	O
sometimes	O
used	O
to	O
refer	O
to	O
:	O
</s>
