Pots/packet bridge

• US 6,134,235 A
• Filed: 10/08/1997
• Issued: 10/17/2000
• Est. Priority Date: 10/08/1997
• Status: Expired due to Term

• Current Assignee: AT&T Corporation (AT&T, Inc.)
• Original Assignee: AT&T Corporation (AT&T, Inc.)
• Inventors: Goldman, Joel, Velardo, Patrick Michael Jr., Romain, Dennis Matthew, Rabiner, Lawrence Richard
• Primary Examiner(s): Pham, Chi H.
• Assistant Examiner(s): YAO, KWANG BIN
• Application Number:
  US08/946,965
• Time in Patent Office: 1,105 Days
• Field of Search: 370/352, 370/353, 370/354, 370/355, 370/356, 370/401, 370/402, 370/403, 370/404, 370/405, 370/465, 370/466, 370/467, 370/229, 370/230, 370/231, 370/235, 370/237, 379/219, 379/220, 379/221, 379/229
• US Class Current: 370/352
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
• CPC Class Codes: H04M 7/003 Click to dial services
• CPC Class Codes: H04M 7/0057 Services where the data services network provides a telephone service in addition or as an alternative, e.g. for backup purposes, to the telephone service provided by the telephone services network
• CPC Class Codes: H04M 7/1285 Details of finding and selecting a gateway for a particular call

Abstract

A system and method for bridging the POTS network and a packet network, such as the Internet, uses a set of access objects that provide the interfacing and functionality for exchanging address and payload information with the packet network, and for exchanging payload information with the payload subnetwork and signaling information with the signaling subnetwork of the POTS network. The system includes a communications management object that coordinates the transfer of information between the POTS network and the packet network; a payload object that transfers payload information between the system and the payload subnetwork of the first communications network; a signaling object that transfers signaling information between the system and the signaling subnetwork of the first communications network in accordance with a signaling protocol associated with the signaling subnetwork; and a packet object that transfers payload and address information between the system and the second communications network in accordance with a communications protocol associated with the second communications network. An alternative embodiment uses a plurality of payload, signaling and packet objects to provide a scalable system.

Claims

1. A system for bridging a first communications network having a payload subnetwork and a signaling subnetwork with a second communications network that is packet-switched, comprising:

a. a communications management object that coordinates the transfer of information between the first communications network and the second communications network, wherein the communications management object coordinates the transfer of information between the first communications network and the second communications network by initiating at least one of the tasks of communications session setup, communications session tear down, bridging of two communications requests or routing of a communications to a communications access point in one of the first communications network or the second communications network.

b. a payload object linked to the communications management object, wherein said payload object transfers payload information between the system and the payload subnetwork of the first communications network;

c. a signaling object linked to the communications management object, wherein said signaling object transfers signaling information between the system and the signaling subnetwork of the first communications network in accordance with a signaling protocol associated with the signaling subnetwork; and

d. a packet object linked to the communications management object, wherein said packet object transfers payload and address information between the system and the second communications network in accordance with a communications protocol associated with the second communications network.

2. The system according to claim 1, wherein the payload object may be linked to a plurality of access points contained within the payload subnetwork of the first communications network.

3. The system according to claim 1, wherein the signaling object may be linked to a plurality of access points contained within the signaling subnetwork of the first communications network.

4. The system according to claim 1, wherein the packet object may be linked to a plurality of access points contained within the second communications network.

5. The system according to claim 1, wherein the communications management object further coordinates the handling of operations, administration, maintenance and provisioning functions.

6. The system according to claim 1, further comprising an application resource object that coordinates the handling of operations, administration, maintenance and provisioning functions.

7. The system according to claim 1, further including an application database, said database comprising communications contact information for a plurality of users.

8. The system according to claim 7, wherein the application database further comprises a set of user profiles including a user'"'"'s preferred communications mode for having communications contact established with another.

9. The system according to claim 1, wherein the payload object includes signal processing capability for processing the payload information.

10. The system according to claim 1, wherein the packet object includes signal processing capability for processing the payload information.

11. The system according to claim 1, further comprising an application resource object having signal processing capability for processing the payload information.

12. The system according to claim 1, wherein the communications management object coordinates a transfer of information between the first communications network and the second communications network by causing the system to perform the tasks of:

a. determining a desired characteristic associated with a requested communication;

b. determining traffic conditions for each of the first communications network and the second communications network; and

c. determining from the traffic conditions and from the desired characteristic associated with the requested communication whether to route the communication to the first communications network or to the second communications network.

13. The system according to claim 12, wherein the desired characteristic associated with a requested communications includes at least one of a desired quality of service for the communication, a time during which the communication is to be routed, a cost of routing the communication, or a user'"'"'s preferred communications mode for having communications contact established with another.

14. The system according to claim 12, wherein the communications management object coordinates a transfer of information between the first communications network and the second communications network by causing the system to further perform the tasks of:

e. selecting an access point of the determined network to which the communication is to be routed; and

f. initiating the routing of the communication to the selected access point for the determined network.

15. The system according to claim 1, wherein the communications management object coordinates a transfer of information between the first communications network and the second communications network by causing the system to perform at least one of the tasks of:

a. initiating a communications contact in response to a user clicking a hypertext link;

b. sending a message to a user requesting a return communications contact;

c. scheduling a time to initiate a communications contact between two users;

d. initiating a sequence of communications contacts until the party to be contacted is reached; and

e. directing a communications contact addressed to a user to a mailbox.

16. The system according to claim 1, wherein the communications management object coordinates a transfer of information between the first communications network and the second communications network by causing the system to route a communication based upon at least one of a desired quality of service for the communication, a time during which the communication is to be routed, a cost of routing the communication, or a user'"'"'s preferred communications mode for having communications contact established with another.

17. The system according to claim 1, wherein the communications management object coordinates a transfer of information between the first communications network and the second communications network by causing the system to bridge a communications session between two users such that information is transferred between the users over each of the first communications network and the second communications network.

18. The system according to claim 1, further comprising an application resource object that coordinates the handling of multimedia-enhanced voice communications.

19. The system according to claim 18, wherein the handling of multimedia-enhanced voice communications includes receiving voice information over the first communications network and information other than voice information over the second communications network.

20. The system according to claim 19, wherein the information other than voice information received over the second communications network is directed to a multimedia mailbox.

21. The system according to claim 1, further comprising an application resource object that coordinates the task of universal messaging, said task of universal messaging including the integration of email messages, facsimile messages, and voice messages into a common mailbox.

22. The system according to claim 21, wherein the task of universal messaging further includes the conversion of the content of messages from one format to another.

23. The system according to claim 21, wherein the task of universal messaging further includes retaining the multimedia content of received messages.

24. The system according to claim 21, wherein the task of universal messaging further includes initiating a return message in response to a user clicking a hypertext link.

25. The system according to claim 21, wherein the task of universal messaging includes causing the system to perform at least one of the tasks of:

a. retrieving at least one of a stored e-mail message, a stored voice mail message, or a stored facsimile message, wherein the stored e-mail message, the stored voice mail message, and the stored facsimile message may be stored in different sites;

b. scheduling of delivery and storage of requested multimedia information;

c. storing a message;

d. printing a message; and

e. forwarding a message.

26. The system according to claim 25, wherein the at least one of a stored e-mail message, a stored voice mail message, or a stored facsimile message may be retrieved by invoking an interactive voice response system that facilitates retrieval of a text-based message using a telephone.

27. The system according to claim 1, wherein information is retrieved from a Web-based server accessible over the second communications network using a telephone linked to the system through the first communications network.

28. The system according to claim 27, wherein the information retrieved from a Web-based server is directed by the system to at least one of a multimedia device or a multimedia mailbox.

29. The system according to claim 27, wherein the information retrieved from a Web-based server is converted from one format to another.

30. A system for bridging a first communications network having a payload subnetwork and a signaling subnetwork with a second communications network that is packet-switched, comprising:

a. a communications management object that coordinates the transfer of information between the first communications network and the second communications network wherein the communications management object coordinates the transfer of information between the first communications network and the second communications network by initiating at least one of the tasks of communications session setup, communications session tear down bridging of two communications requests or routing of a communications to a communications access point in one of the first communications network or the second communications network.

b. a plurality of payload objects linked to the communications management object, wherein each payload object transfers payload information between the system and the payload subnetwork of the first communications network;

c. a plurality of signaling objects linked to the communications management object, wherein each signaling object transfers signaling information between the system and the signaling subnetwork of the first communications network in accordance with a signaling protocol associated with the signaling subnetwork; and

d. a plurality of packet objects linked to the communications management object, wherein each packet object transfers payload and address information between the system and the second communications network in accordance with a communications protocol associated with the second communications network.

31. The system according to claim 30, further comprising a network for linking the plurality of payload objects, the plurality of signaling objects and the plurality of packet objects to the communications management object.

32. The system according to claim 30, wherein the physical locations of the plurality of payload objects, the plurality of signaling objects and the plurality of packet objects are spread across a geographic area.

33. The system according to claim 30, wherein at least one of the plurality of payload objects may be linked to a plurality of access points contained within the payload subnetwork of the first communications network.

34. The system according to claim 30, wherein at least one of the plurality of signaling objects may be linked to a plurality of access points contained within the signaling subnetwork of the first communications network.

35. The system according to claim 30, wherein at least one of the plurality of packet objects may be linked to a plurality of access points contained within the second communications network.

36. A method of bridging a first communications network having a payload subnetwork and a signaling subnetwork with a second communications network that is packet-switched, comprising the steps of:

a. establishing a first communications link to the payload subnetwork of the first communications network for communicating payload information;

b. establishing a second communications link to the signaling subnetwork of the first communications network for communicating signaling information in accordance with a signaling protocol associated with the signaling subnetwork;

c. establishing a third communications link to the second communications network for communicating information in accordance with a communications protocol associated with the second communications network; and

d. coordinating the transfer of information between the first communications network and the second communications network using the first communications link, the second communications link and the third communications link, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes initiating at least one of the tasks of communications session setup, communications session tear down, bridging of two communications requests or routing of a communications to a communications access point in one of the first communications network or the second communications network.

37. The method according to claim 36, wherein the first communications link is established through one of a plurality of available access points contained within the payload subnetwork of the first communications network.

38. The method according to claim 36, wherein the second communications link is established through one of a plurality of available access points contained within the signaling subnetwork of the first communications network.

39. The method according to claim 36, wherein the third communications link is established through one of a plurality of available access points contained within the second communications network.

40. The method according to claim 36, further comprising the step of coordinating operations, administration, maintenance and provisioning functions.

41. The method according to claim 36, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes use of a database containing communications contact information for a plurality of users.

42. The method according to claim 41, wherein the database further contains a set of user profiles including a user'"'"'s preferred communications mode for having communications contact established with another.

43. The method according to claim 36, further comprising the step of processing payload information using signal processing techniques.

44. The method according to claim 36, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes the steps of:

a. determining a desired characteristic associated with a requested communication;

b. determining traffic conditions for each of the first communications network and the second communications network; and

c. determining from the traffic conditions and from the desired characteristic associated with the requested communication whether to route the communication to the first communications network or to the second communications network.

45. The method according to claim 44, wherein the desired characteristic associated with a requested communications includes at least one of a desired quality of service for the communication, a time during which the communication is to be routed, a cost of routing the communication, or a user'"'"'s preferred communications mode for having communications contact established with another.

46. The method according to claim 44, wherein the step of coordinating the transfer of information between the first communications network and the second communications network further includes the steps of:

e. selecting an access point of the determined network to which the communication is to be routed; and

f. initiating the routing of the communication to the selected access point for the determined network.

47. The method according to claim 36, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes at least one of the steps of:

a. initiating a communications contact in response to a user clicking a hypertext link;

b. sending a message to a user requesting a return communications contact;

c. scheduling a time to initiate a communications contact between two users;

d. initiating a sequence of communications contacts until the party to be contacted is reached; and

e. directing a communications contact addressed to a user to a mailbox.

48. The method according to claim 36, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes the step of routing a communication based upon at least one of a desired quality of service for the communication, a time during which the communication is to be routed, a cost of routing the communication, or a user'"'"'s preferred communications mode for having communications contact established with another.

49. The method according to claim 36, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes the step of bridging a communications session between two users such that information is transferred between the users over each of the first communications network and the second communications network.

50. The method according to claim 36, further comprising the step of coordinating multimedia-enhanced voice communications.

51. The method according to claim 36, wherein the step of coordinating multimedia-enhanced voice communications includes receiving voice information over the first communications network and information other than voice information over the second communications network.

52. The method according to claim 51, wherein the step of coordinating multimedia-enhanced voice communications further includes directing the information other than voice information received over the second communications network to a multimedia mailbox.

53. The method according to claim 36, further comprising the step of universal messaging, said step of universal messaging including the integration of e-mail messages, facsimile messages, and voice messages into a common mailbox.

54. The method according to claim 53, wherein the step of universal messaging further includes converting the content of messages from one format to another.

55. The method according to claim 53, wherein the step of universal messaging further includes retaining the multimedia content of received messages.

56. The method according to claim 53, wherein the step of universal messaging further includes initiating a return message in response to a user clicking a hypertext link.

57. The method according to claim 53, wherein the step of universal messaging further includes at least one of the steps of:

a. retrieving at least one of a stored e-mail message, a stored voice mail message, or a stored facsimile message, wherein the stored e-mail message, the stored voice mail message, and the stored facsimile message may be stored in different sites;

b. scheduling of delivery and storage of requested multimedia information;

c. storing a message;

d. printing a message; and

e. forwarding a message.

58. The method according to claim 57, wherein the at least one of a stored e-mail message, a stored voice mail message, or a stored facsimile message may be retrieved by invoking an interactive voice response system that facilitates retrieval of a text-based message using a telephone.

59. The method according to claim 36, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes the step of retrieving information from a Web-based server accessible over the second communications network using a telephone linked to the method through the first communications network.

60. The method according to claim 59, wherein the information retrieved from a Web-based server is directed to at least one of a multimedia device or a multimedia mailbox.

61. The method according to claim 59, wherein the information retrieved from a Web-based server is converted from one format to another.

62. A method of bridging a first communications network having a payload subnetwork and a signaling subnetwork with a second communications network that is packet-switched, comprising the steps of:

a. establishing a first plurality of communications links to the payload subnetwork of the first communications network for communicating payload information;

b. establishing a second plurality of communications links to the signaling subnetwork of the first communications network for communicating signaling information in accordance with a signaling protocol associated with the signaling subnetwork;

c. establishing a third plurality of communications links to the second communications network for communicating information in accordance with a communications protocol associated with the second communications network; and

d. coordinating the transfer of information between the first communications network and the second communications network using one of the first plurality of communications links, one of the second plurality of communications links and one of the third plurality of communications link, wherein the step of coordinating the transfer of information between the first communications network and the second communications network includes initiating at least one of the tasks of communications session setup, communications session tear down, bridging of two communications requests or routing of a communications to a communications access point in one of the first communications network or the second communications network.

63. The method according to claim 62, wherein at least one of the first plurality of communications links is established through one of a plurality of available access points contained within the payload subnetwork of the first communications network.

64. The method according to claim 62, wherein at least one of the second plurality of communications links is established through one of a plurality of available access points contained within the signaling subnetwork of the first communications network.

65. The method according to claim 62, wherein at least one of the third plurality of communications links is established through one of a plurality of available access points contained within the second communications network.