Patent ID: 11863598
Assignee: INTERMETRO COMMUNICATIONS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. Non-transitory computer storage media storing instructions that when executed by a system of one or more processors, cause the one or more processors to perform operations comprising:
receiving, from a first user device, a registration message comprising a plurality of communication paths over which the first user device is accessible, the plurality of communication paths indicating respective IP address/port pairs associated with the first user device, wherein information in the registration message is provided according to a particular control protocol;
setting a particular communication path as the preferred communication path for the first user device; and
establishing a connection between the first user device and the second user device according to the particular control protocol, wherein messages are routed to the first user device via the particular communication path,
and wherein each port indicated by a communication path is configured to be left open, such that the port is configured to transmit and/or receive information.