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CSCF

    Overview

ACRO-CSCF is an open API-based system which can provide various IP-based multimedia supplementary services by integrating standard IMS-SIP-based terminals for individuals, enterprises and home subscribers. P-/S-/I-CSCF in charge of call processing in an IMS network and HSS in charge of subscribers and service profiles are main components to provide diverse multimedia-based call processing services.

    Configuration

EMS Operations management, fault management, system management, configuration management
SCS statistics management servers
P-CSCF
(E-CSCF)
SIP compression processing and security-related IPSec processing
PCRF (Policy and Charging Rules Function) interworking
Emergency call sensing and processing
(LRF interworking and emergency call routing)
S-CSCF
(BGCF)
RRegistration process execution
Subscriber service profile load and service call control processing
Subscriber routing decision and call control
Visited network route routing decision and call control)
I-CSCF Visited network access management
HSS interworking, S-CSCF assigning/Routing
LDSS Load Distribution Server for SIP
LDSD Load Distribution Server for Diameter

    Capability

Subscriber accommodating capacity
  • 2 million subscribers
Maximum call processing capacity
  • 5,000,000 BHCA (Busy Hour Call Attempt)
Maximum concurrent call processing capacity
  • 84,000 CC (Concurrent Call)