<s>
Obihai	B-Protocol
Technology	I-Protocol
is	O
a	O
company	O
that	O
manufactures	O
analog	B-Protocol
telephone	I-Protocol
adapters	I-Protocol
that	O
support	O
Session	B-Application
Initiation	I-Application
Protocol	I-Application
(	O
SIP	O
)	O
,	O
XMPP	B-Protocol
,	O
and	O
Google	B-Application
Voice	I-Application
compatible	O
Internet	B-Application
telephony	I-Application
.	O
</s>
<s>
The	O
company	O
,	O
based	O
in	O
California	O
's	O
Silicon	O
Valley	O
,	O
was	O
founded	O
in	O
2010	O
by	O
Jan	O
Fandrianto	O
and	O
Sam	O
Sin	O
,	O
the	O
same	O
people	O
who	O
introduced	O
the	O
first	O
analog	B-Protocol
telephone	I-Protocol
adaptors	I-Protocol
as	O
Komodo	O
Technology	O
in	O
the	O
1990s	O
and	O
formed	O
Sipura	O
Technology	O
in	O
2002	O
.	O
</s>
<s>
In	O
January	O
2018	O
,	O
Polycom	O
acquired	O
Obihai	B-Protocol
.	O
</s>
<s>
Obihai	B-Protocol
is	O
notable	O
primarily	O
for	O
manufacturing	O
analog	B-Protocol
telephone	I-Protocol
adapters	I-Protocol
that	O
connect	O
standard	O
push-button	O
telephones	O
to	O
the	O
Google	B-Application
Voice	I-Application
service	O
using	O
a	O
wired	O
or	O
wireless	O
broadband	O
Internet	O
connection	O
.	O
</s>
<s>
As	O
Google	O
's	O
voice	B-Application
over	I-Application
IP	I-Application
service	O
is	O
inexpensive	O
(	O
and	O
,	O
in	O
some	O
cases	O
,	O
free	O
)	O
,	O
hardware	O
that	O
allows	O
the	O
service	O
to	O
replace	O
conventional	O
landline	O
telephony	O
reduces	O
costs	O
to	O
subscribers	O
.	O
</s>
<s>
The	O
hardware	O
comes	O
in	O
various	O
configurations	O
,	O
including	O
OBi100	O
(	O
1	O
x	O
FXS	O
,	O
to	O
connect	O
to	O
one	O
phone	O
)	O
,	O
OBi110	O
(	O
1	O
FXS	O
+	O
1	O
FXO	O
,	O
to	O
connect	O
to	O
one	O
phone	O
and	O
one	O
conventional	O
outside	O
line	O
)	O
,	O
OBi200	O
(	O
1	O
x	O
FXS	O
,	O
4x	O
VoIP	B-Application
services	O
,	O
T.38	B-Protocol
,	O
USB	O
,	O
[	O
wi-fi	O
,	O
BT	O
optional	O
extra ]	O
)	O
and	O
OBi202	O
(	O
2	O
FXS	O
+	O
LAN	O
with	O
T.38	B-Protocol
,	O
USB	O
,	O
wi-fi	O
optional	O
extra	O
)	O
.	O
</s>
<s>
The	O
devices	O
,	O
distributed	O
through	O
US	O
vendors	O
such	O
as	O
Walmart	O
,	O
Newegg	O
and	O
Amazon	B-Application
,	O
are	O
normally	O
sold	O
unlocked	O
and	O
unconfigured	O
.	O
</s>
<s>
Obihai	B-Protocol
operates	O
its	O
own	O
preconfigured	O
OBiTALK	O
VoIP	B-Application
service	O
to	O
allow	O
direct	O
calling	O
between	O
its	O
branded	O
devices	O
(	O
using	O
**	O
9	O
and	O
a	O
nine-digit	O
serial	O
number	O
)	O
,	O
as	O
well	O
as	O
a	O
companion	O
OBiON	O
softphone	B-Protocol
app	O
for	O
Android	O
and	O
iPhone	O
.	O
</s>
<s>
Google	B-Application
Voice	I-Application
support	O
,	O
a	O
popular	O
feature	O
due	O
to	O
the	O
low	O
cost	O
of	O
service	O
,	O
was	O
temporarily	O
broken	O
when	O
that	O
service	O
dropped	O
XMPP	B-Protocol
support	O
in	O
May	O
2014	O
and	O
officially	O
restored	O
in	O
September	O
2014	O
.	O
</s>
