Billing information

Routing requests and billing information Billing information

Routing requests and billing information

Tra�cSwitch

Tra�cSwitch

Tra�cSwitch

Tra�cSwitch

Internet

Signaling and media tra�c

Signaling and media tra�c �ow

Media only

GatewayGateway

Signaling and media tra�c

In case one of the DBs crashes and is restored, the second DB performs

data synchronization

MAINTraffic Manager

BACKUPTraffic Manager

Database Database

Tra�c Manager

Tra�c Switch

Tra�c entry point

Tra�c exit point

Multiple entry points

possible

Load balancer H.323 Gatekeeper

SIP Registrar

Load balancer H.323 Gatekeeper SIP Registrar

Signaling node

Signaling node

Media nodes

Media nodes

Management node

Management node

Synchro node

REDUNDANCY

REPLICATION

• Prepaid/postpaid billing• Call routing• Analysis and reporting• Web GUI and user management