lThe SE1000 supports proxy for signaling and media streams.
lThe UE considers the IP address of the core server as the access-side address.
lThe SBC forwards messages to the core network (unified gateway) based on the mapping table.
lThe SE1000 hides the topology information about the core network.
lThe SE1000's media plane is under the control of its signaling plane. Media ports are dynamically enabled. To be specific, when a session is set up, media ports are enabled; when this session is closed, media ports are disabled.
lThe SE1000 performs signaling and media's address translation.
