System and method for automatic and direct routing of information in a network

• US 20060146838A1
• Filed: 12/30/2004
• Published: 07/06/2006
• Est. Priority Date: 12/30/2004
• Status: Abandoned Application

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Hallin, Thomas G., Shores, William N.
• Application Number:
  US11/027,158
• Publication Number:
  US 20060146838A1
• Time in Patent Office: Days
• US Class Current: 370/400
• CPC Class Codes: H04L 45/00 Routing or path finding of packets in data switching networks routing or path finding in wireless networks H04W40/00
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 67/53 using third party service providers
• CPC Class Codes: H04L 67/62 Establishing a time schedule for servicing the requests

Abstract

A system and method of automatically routing a message between communication units in a network sends a first message (116) to a first server (106). A redirect message (118) is responsively received from the first server (106). The redirect message (118) comprises identification of a destination server (112) associated with a destination communication unit (119) and a target range. The target range includes a plurality of communication units associated with the destination server (112).

Claims

1. A method of automatically routing a message between communication units in a network comprising:

sending a first message to a first server; and

responsively receiving a redirect message from the first server, the redirect message comprising identification of a destination server associated with a destination communication unit and a target range, the target range including a plurality of communication units associated with the destination server.

2. The method of claim 1 wherein sending the first message comprises sending a Session Initiation Protocol (SIP) Invite message.

3. The method of claim 1 further comprising sending at least a portion of the first message to the destination communication unit via the destination server.

4. The method of claim 3 further comprising subsequently directly sending a second message to the destination communication unit via the destination server.

5. The method of claim 1 further comprising updating a routing table with the destination server and target range.

6. The method of claim 1 further comprising receiving an update message from the destination server, the update message comprising information indicating the target range has changed and a new target range.

7. The method of claim 6 wherein the update message further comprises information indicating the new target range.

8. A device for automatically routing messages in a network comprising:

a transmitter having an output;

a receiver having an input;

a memory having a routing table stored therein; and

a controller coupled to the transmitter, receiver and memory, the controller programmed to send a first message on the output of the transmitter and receive a redirect message on the input of the receiver, the redirect message comprising a destination server identifier and a range of target identifiers corresponding to a plurality of communication units.

9. The device of claim 8 wherein the first message comprises a Session Initiation Protocol (SIP) Invite message.

10. The device of claim 8 wherein the controller further comprises means for sending the first message to the destination communication unit via a destination server corresponding to the destination server identifier.

11. The device of claim 10 wherein the controller further comprises means for directly sending a second message to a destination communication unit via the destination server.

12. The device of claim 8 wherein the input of the receiver receives an update message and wherein the controller further comprises means to update the routing table based upon information in the update message.

13. A method for automatically routing messages in a network comprising:

sending a first message from a source server to an intermediate server;

receiving the first message at the intermediate server, responsively determining a destination server, and target range, and sending information regarding the destination server and target range to the source server;

receiving the information regarding the destination server and target range at the source server and updating a routing table; and

directing calls destined for a communication unit mobile directly to the target server using the target range in the routing table.

14. The method of claim 13 wherein sending the first message comprises sending a Session Initiation Protocol (SIP) Invite message.

15. The method of claim 13 further comprising receiving an update message from the destination server comprising an indication that the target range has changed.