System and method for call routing based on transmission performance of a packet network

A system for establishing a telephone call over a packet network, said system comprising:

• an input/output (I/O) unit configured to communicate over a network;
• a storage unit configured to store network performance information associated with node segments on the packet network;
• a processing unit in communication with said I/O unit and said storage unit and configured to:
• receive a call request from an originating call device on a packet network to call a terminating call device operating outside of the packet network;
• determine a first transmission path between the originating and terminating call devices;
• determine status of a terminating segment at a first terminating trunk if the status of the terminating segment at the first terminating trunk is within a first range, establish a call between the originating and terminating call device via the first terminating call trunk, otherwise, if the status of the terminating segment at the first terminating trunk is within a second range, determine whether a second transmission path via a second terminating trunk between the originating and terminating call devices is available;
• and
• if status of the second terminating call trunk is in the first range, establish a call via the second transmission path.