<s>
Versatile	B-Architecture
Service	I-Architecture
Engine	I-Architecture
is	O
a	O
second	O
generation	O
IP	B-Protocol
Multimedia	I-Protocol
Subsystem	I-Protocol
developed	O
by	O
Nortel	O
Networks	O
that	O
is	O
compliant	O
with	O
Advanced	O
Telecommunications	O
Computing	O
Architecture	O
specifications	O
.	O
</s>
<s>
offer	O
global	O
System	O
for	O
mobile	O
communications	O
and	O
code-division	B-Protocol
multiple	I-Protocol
access	I-Protocol
services	O
in	O
both	O
wireline	O
and	O
wireless	O
mode	O
.	O
</s>
<s>
The	O
Versatile	B-Architecture
Service	I-Architecture
Engine	I-Architecture
is	O
a	O
joint	O
effort	O
of	O
Nortel	O
and	O
Motorola	O
.	O
</s>
<s>
The	O
aim	O
of	O
collaboration	O
was	O
to	O
develop	O
an	O
Advanced	O
Telecommunications	O
Computing	O
Architecture	O
compliant	O
platform	O
for	O
Nortel	O
IP	B-Protocol
Multimedia	I-Protocol
Subsystem	I-Protocol
applications	O
.	O
</s>
<s>
Nortel	O
joined	O
the	O
PCI	O
Industrial	O
Computer	O
Manufacturers	O
Group	O
in	O
2002	O
and	O
the	O
work	O
on	O
Versatile	B-Architecture
Service	I-Architecture
Engine	I-Architecture
was	O
started	O
in	O
2004	O
.	O
</s>
<s>
A	O
single	O
versatile	B-Architecture
service	I-Architecture
engine	I-Architecture
frame	O
consists	O
of	O
three	O
shelves	O
,	O
each	O
shelf	O
having	O
three	O
slots	O
.	O
</s>
<s>
The	O
power	O
supply	O
and	O
cooling	O
fans	O
are	O
located	O
in	O
the	O
back	O
pane	O
of	O
the	O
Versatile	B-Architecture
Service	I-Architecture
Engine	I-Architecture
.	O
</s>
<s>
After	O
Nortel	O
Networks	O
filed	O
for	O
bankruptcy	O
protection	O
in	O
January	O
2009	O
,	O
Ericsson	O
telecommunications	O
then	O
acquired	O
the	O
code-division	B-Protocol
multiple	I-Protocol
access	I-Protocol
and	O
LTE	O
based	O
assets	O
of	O
then	O
Canada	O
's	O
largest	O
telecom	O
equipment	O
maker	O
,	O
hence	O
taking	O
the	O
ownership	O
of	O
Versatile	B-Architecture
service	I-Architecture
engine	I-Architecture
.	O
</s>
