<s>
The	O
Voice	B-Protocol
Funnel	I-Protocol
was	O
an	O
experimental	O
high-speed	O
interface	O
between	O
digitized	O
speech	O
streams	O
and	O
a	O
packet	B-Protocol
switching	I-Protocol
communications	O
network	O
,	O
in	O
particular	O
the	O
ARPANET	O
.	O
</s>
<s>
It	O
may	O
be	O
viewed	O
as	O
an	O
early	O
Voice	B-Application
over	I-Application
IP	I-Application
voice	O
and	O
video	O
telephone	O
.	O
</s>
<s>
The	O
Voice	B-Protocol
Funnel	I-Protocol
was	O
designed	O
and	O
built	O
by	O
Bolt	O
,	O
Beranek	O
and	O
Newman	O
.	O
</s>
<s>
During	O
the	O
1980s	O
,	O
it	O
was	O
used	O
for	O
audio	O
and	O
video	O
conferences	O
across	O
the	O
ARPANET	O
,	O
and	O
later	O
evolved	O
into	O
the	O
multi-processor	O
BBN	B-Device
Butterfly	I-Device
computer	O
.	O
</s>
