<s>
iobi	B-Protocol
,	O
(	O
pronounced	O
eye-OH-bee	O
)	O
,	O
is	O
a	O
way	O
of	O
providing	O
and	O
managing	O
telephone	O
services	O
over	O
the	O
Internet	O
or	O
PSTN-based	O
telephone	O
.	O
</s>
<s>
Among	O
capabilities	O
,	O
a	O
registered	O
customer	O
could	O
use	O
a	O
connected	O
personal	B-Device
computer	I-Device
to	O
dial	O
a	O
phone	O
number	O
and	O
then	O
speak	O
to	O
the	O
person	O
,	O
they	O
can	O
check	O
their	O
voicemail	O
messages	O
over	O
computer	O
,	O
or	O
additionally	O
customers	O
could	O
select	O
to	O
have	O
specific	O
callers	O
permanently	O
blocked	O
from	O
dialing	O
the	O
subscriber	O
's	O
telephone	O
number	O
,	O
such	O
as	O
from	O
telemarketers	O
.	O
</s>
<s>
Like	O
VOIP	B-Application
(	O
voice	B-Application
over	I-Application
IP	I-Application
)	O
or	O
Internet	B-Application
phone	I-Application
,	O
iobi	B-Protocol
is	O
a	O
"	O
network-based	O
convergent	O
solution	O
that	O
integrates	O
communication	O
services	O
from	O
landline	B-Application
and	O
mobile	O
phones	O
to	O
PCs	B-Device
,	O
laptops	B-Device
and	O
PDAs.	O
"	O
</s>
<s>
Verizon	B-Application
was	O
one	O
of	O
the	O
ISPs	O
to	O
offer	O
the	O
integrated	O
services	O
under	O
the	O
iobi	B-Protocol
name	O
.	O
</s>
<s>
NOTE	O
:	O
This	O
service	O
has	O
been	O
discontinued	O
by	O
Verizon	B-Application
.	O
</s>
