Patent ID: 7941129

Claim:
A network system for improved two-way communication between mobile subscribers, the network system comprising: a primary device that forwards a message over the network; a secondary device that receives the message; a database containing a plurality of forwarding and duplicating rules, wherein the forwarding and duplicating rules are instructions to forward the message to the secondary device when the primary device indicates a presence as one of switched off, roaming, and unable to receive messages, change the format of the message according to the secondary device, change the format of a reply generated by the secondary device from that of the secondary device to that of the primary device, and change an originating address in the reply to that of the primary device; a server capable of rerouting the message per the instructions in the database; and a presence and locations server on the network, the presence and locations server having logic for receiving a subscriber change of active status from the primary device and a location of the primary device, the location being a physical location and including information about a serving Mobile Switching Center (MSC), out of coverage information, and roaming information, and forwarding this change of status and the location to the server, wherein the forwarding and duplicating rules further include instructions to forward the message to the secondary device based on the location of the primary device.