<s>
In	O
computer	B-Architecture
networks	I-Architecture
,	O
a	O
service	B-Protocol
capability	I-Protocol
interaction	I-Protocol
manager	I-Protocol
(	O
or	O
SCIM	O
)	O
orchestrates	O
service	O
delivery	O
among	O
application	B-Application
server	I-Application
platforms	O
within	O
the	O
IP	B-Protocol
multimedia	I-Protocol
subsystem	I-Protocol
(	O
IMS	O
)	O
architecture	O
.	O
</s>
<s>
A	O
key	O
requirement	O
for	O
the	O
Service	O
Broker	O
functionality	O
is	O
to	O
be	O
able	O
to	O
bridge	O
between	O
the	O
existing	O
legacy	B-Device
networks	O
,	O
and	O
the	O
next-generation	O
networks	O
.	O
</s>
<s>
The	O
service	O
broker	O
will	O
also	O
enable	O
the	O
Centrex-type	O
services	O
to	O
be	O
combined	O
with	O
existing	O
GSM	O
services	O
,	O
such	O
as	O
ringback	O
tones	O
or	O
VPN	B-Application
.	O
</s>
