Pin-hole firewall for communicating data packets on a packet network

摘要

A pin-hole firewall network communications device that includes a first port configured to communicate data packets over a packet network and a first counter module in communication with the first port. A pin-hole firewall module may be in communication with the first counter module. A call control module may be in communication with the first counter module and the pin-hole firewall function. A second counter module may be in communication with the pin-hole firewall function and the call control module. A second port may in communication with the second counter module and the packet network and be configured to communicate data packets over a second node segment of the packet network.