<s>
HPE	O
OpenCall	B-Application
is	O
a	O
range	O
of	O
network	O
and	O
telephony	O
products	O
offered	O
by	O
the	O
"	O
Communications	O
&	O
Media	O
Solutions	O
"	O
branch	O
of	O
technology	O
company	O
HPE	O
.	O
</s>
<s>
It	O
implements	O
industry	O
standard	O
telecom	O
protocols	O
and	O
standards	O
such	O
as	O
SS7	O
,	O
ISUP	B-Protocol
,	O
TCAP	O
,	O
SIP	B-Application
,	O
MRCP	B-Protocol
,	O
RTSP	B-Protocol
,	O
and	O
VoiceXML	B-Application
.	O
</s>
<s>
The	O
HPE	O
OpenCall	B-Application
line	O
of	O
telecommunications	O
platforms	O
is	O
offered	O
by	O
HPE	O
Communications	O
&	O
Media	O
Solutions	O
organization	O
in	O
four	O
main	O
areas	O
—	O
media	O
server	O
,	O
service	O
and	O
charging	O
control	O
,	O
signaling	O
,	O
and	O
subscriber	O
mobility	O
.	O
</s>
<s>
The	O
HPE	O
OpenCall	B-Application
Media	O
Platform	O
is	O
a	O
voice	O
and	O
video	O
server	O
and	O
media	O
resource	O
function	O
platform	O
used	O
for	O
developing	O
and	O
deploying	O
messaging	O
,	O
portals	O
and	O
interactive	O
services	O
.	O
</s>
<s>
They	O
include	O
HPE	O
OpenCall	B-Application
Service	O
Access	O
Controller	O
for	O
prepaid	O
and	O
postpaid	O
voice	O
and	O
data	O
services	O
;	O
HP	B-Application
OpenCall	I-Application
Service	O
Controller	O
,	O
an	O
open	O
platform	O
for	O
constructing	O
multi-network-based	O
services	O
and	O
developing	O
applications	O
in	O
2G	O
and	O
3G	O
architectures	O
;	O
and	O
the	O
HP	B-Application
OpenCall	I-Application
Intelligent	O
Network	O
Server	O
used	O
for	O
operations	O
like	O
e911	O
on	O
legacy	O
wireline	O
,	O
wireless	O
and	O
next-generation	O
communication	O
systems	O
.	O
</s>
<s>
There	O
are	O
three	O
HPE	O
OpenCall	B-Application
signaling	O
platforms	O
.	O
</s>
<s>
The	O
HPE	O
OpenCall	B-Application
SIP	B-Application
Network	O
Server	O
is	O
an	O
“	O
all-in-a-box	O
”	O
Session	B-Application
Initiation	I-Application
Protocol	I-Application
network	O
element	O
for	O
next	O
generation	O
and	O
IMS	O
networks	O
,	O
facilitating	O
the	O
deployment	O
and	O
growth	O
of	O
advanced	O
telecommunication	O
services	O
.	O
</s>
<s>
The	O
HP	B-Application
OpenCall	I-Application
Universal	O
Signaling	O
Platform	O
(	O
USP	O
)	O
connects	O
SS7	O
and	O
IP	O
SIGTRAN	O
networks	O
and	O
provides	O
a	O
development	O
environments	O
for	O
deploying	O
,	O
2G	O
,	O
2.5G	O
and	O
3G	O
services	O
.	O
</s>
<s>
The	O
HP	B-Application
OpenCall	I-Application
Position	O
Determination	O
Entity	O
is	O
a	O
location	O
information	O
platform	O
that	O
is	O
used	O
by	O
emergency	O
and	O
commercial	O
services	O
to	O
pinpoint	O
a	O
mobile	O
terminal	O
's	O
position	O
.	O
</s>
<s>
The	O
HPE	O
OpenCall	B-Application
XML	O
Document	O
Management	O
Server	O
is	O
used	O
for	O
deploying	O
instant	O
messaging	O
and	O
group	O
communication	O
services	O
while	O
shielding	O
information	O
privacy	O
.	O
</s>
<s>
The	O
HPE	O
OpenCall	B-Application
Home	O
Subscriber	O
Server	O
is	O
used	O
to	O
store	O
and	O
manage	O
subscriber	O
data	O
when	O
moving	O
to	O
next-generation	O
networks	O
.	O
</s>
<s>
The	O
HPE	O
OpenCall	B-Application
Profile	O
Manager	O
connects	O
user	O
profile	O
and	O
service	O
data	O
for	O
Web	O
2.0	O
services	O
.	O
</s>
