Routing to intelligence

• US 5,392,277 A
• Filed: 06/11/1993
• Issued: 02/21/1995
• Est. Priority Date: 06/11/1993
• Status: Expired due to Term

• Current Assignee: American Telephone & Telegraph Company (AT&T, Inc.)
• Original Assignee: AT&T Corporation (AT&T, Inc.)
• Inventors: Bernstein, Lawrence
• Primary Examiner(s): Hsu, Alpus
• Application Number:
  US08/075,978
• Time in Patent Office: 620 Days
• Field of Search: 370/54, 370/55, 370/56, 370/58.1, 370/60, 370/60.1, 370/94.1, 370/94.2, 370/58.2, 370/58.3, 379/37, 379/48, 379/49, 379/242, 379/258, 379/268, 379/269, 379/333, 379/334, 379/219, 379/220, 379/221, 379/271, 379/272, 379/273
• US Class Current: 370/399
• CPC Class Codes: H04L 2012/561 Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
• CPC Class Codes: H04L 2012/5626 Network management, e.g. Intelligent nets
• CPC Class Codes: H04L 2012/563 Signalling, e.g. protocols, reference model
• CPC Class Codes: H04Q 11/0478 Provisions for broadband connections
• CPC Class Codes: H04Q 3/47 using translators

Abstract

In a telecommunications network, outgoing calls from a particular subscriber location for each of a plurality of telecommunications applications are delivered via a single access link to a single point of distribution through which the subscriber location is caused to be connected, as a function of the telecommunications application type, to an appropriate intelligent network element (INE) server. Additionally, incoming calls of the various application types and directed to a particular directory number are delivered to a single point of collection associated with its NPA-NNX and connections for those calls are caused to be made from the point of collection to an appropriate INE server, as a function of the telecommunications application type and the directory number in question. Communications within the network are by way of asynchronous transfer mode (ATM) cells.

Claims

1. A method for use in a telecommunications network which includes a plurality of intelligent network element servers supporting respective telecommunications application types, said method comprising the steps of

receiving, at a point of distribution, and via a single access link, first and second outgoing calls of respective different ones of said application types originating from a particular subscriber location, said respective different ones of said outgoing call application types including two of POTS, ISDN, video and data, and

muting each of said outgoing calls from said point of distribution to a particular one of said intelligent network element servers, said particular one of said intelligent network element servers being determined based on the application type of said each outgoing call.

2. The invention of claim 1 wherein said outgoing calls include intelligence carried in data packets, wherein at least ones of said packets have information identifying the application type of the respective call, and wherein said point of distribution carries out said routing based on said information.

3. The invention of claim 1 comprising the further steps of

receiving, at a point of collection, first and second incoming calls of respective different ones of said application types directed to said particular subscriber location,

routing each of said incoming calls from said point of collection to the one of said intelligent network element servers supporting the application type of said each incoming call and from that intelligent network element server to said subscriber location via said point of distribution and said single access link.

4. The invention of claim 3 wherein said incoming calls include intelligence carried in data packets, wherein at least ones of said packets have packet header information identifying the application type of the respective call, and wherein said point of collection carries out said incoming call routing based on said header information.

5. The invention of claim 3 wherein said points of distribution and collection are co-located with one another.

6. The invention of claim 5 wherein said points of distribution and collection are co-located with a telecommunications central office.

7. The invention of claim 3 wherein said step of routing each of said outgoing calls comprises the step of

muting ones of said outgoing calls to said particular one of said intelligent network element servers via said point of collection.

8. The invention of claim 3 wherein said step of routing each of said outgoing calls comprises the step of

routing ones of said outgoing calls to said particular one of said intelligent network servers via said point of collection and another point of collection to which that server is connected directly, if there is no direct link between said point of distribution and said server.

9. The invention of claim 1 wherein ones of said outgoing calls of a particular application type are normally routed in said routing step to a first one of said intelligent network servers supporting that application type while others of said outgoing calls of that particular application type and directed to a particular destination number are routed to a second one of said intelligent network element servers.

10. The invention of claim 9 wherein said particular destination number is an emergency services number.

11. The invention of claim 1 wherein said calls include intelligence carded in data packets and wherein at least ones of said packets have information identifying said particular one of said intelligent network element servers.

12. The invention of claim 1 wherein said routing step includes the steps of

responding to receipt of a particular one of said outgoing calls by determining its application type, and

determining said particular one of said intelligent network element servers from a number translation table based on said determined application type and on said particular subscriber location.

13. The invention of claim 1 wherein said calls include intelligence carried in data packets conforming to an asynchronous transfer mode (ATM) format.

14. The invention of claim 13 wherein said routing step includes the communication of ATM commands between said point of distribution and said intelligent network element servers.

15. The invention of claim 1 wherein said muting step includes the establishing of a virtual circuit between said point of distribution and said one of said intelligent network element servers.

16. Apparatus for use in a telecommunications network which includes a plurality of intelligent network element servers supporting respective telecommunications application types, said apparatus including a point of distribution which comprises

means for receiving, via a single access link, first and second outgoing calls of respective different ones of said application types originating from a particular subscriber location, said respective different ones of said outgoing call application types including two of POTS, ISDN, video and data, and

means for routing each of said outgoing calls from said point of distribution to a particular one of said intelligent network element servers that supports the application type of said each outgoing call.

17. The apparatus of claim 16 wherein said outgoing calls include intelligence carried in data packets, wherein at least ones of said packets have information identifying the application type of the respective call, and wherein said means for routing carries out said routing based on said information.

18. The apparatus of claim 16 further comprising a point of collection which comprises

means for receiving first and second incoming calls of respective different ones of said application types directed to said particular subscriber location, and

means for routing each of said incoming calls to the one of said intelligent network element servers supporting the application type of said each incoming call and from that intelligent network element server to said subscriber location via said point of distribution and said single access link.

19. The apparatus of claim 18 wherein said incoming calls include intelligence carried in data packets, wherein at least ones of said packets have information identifying the application type of the respective call, and wherein said point of collection carries out said incoming call routing based on said information.

20. The apparatus of claim 18 wherein said points of distribution and collection are co-located with one another.

21. The apparatus of claim 20 wherein said points of distribution and collection are co-located with a telecommunications central office.

22. The apparatus of claim 18 wherein said means for routing each of said outgoing calls routes ones of said outgoing calls to said particular one of said intelligent network element servers via said point of collection.

23. The apparatus of claim 18 wherein said means for routing each of said outgoing calls routes ones of said outgoing calls to said particular one of said intelligent network element servers via said point of collection and another point of collection to which that server is connected directly, if there is no direct link between said point of distribution and said server.

24. The apparatus of claim 16 wherein ones of said outgoing calls of a particular application type are normally routed by said routing means to a first one of said intelligent network servers supporting that application type while others of said outgoing calls of that particular application type and directed to a particular destination number are routed to a second one of said intelligent network element servers.

25. The apparatus of claim 24 wherein said particular destination number is an emergency services number.

26. The apparatus of claim 16, wherein said calls include intelligence carried in data packets and wherein at least ones of said packets have information identifying said particular one of said intelligent network element servers.

27. The apparatus of claim 16 wherein said routing means responds to receipt of a particular one of said outgoing calls by determining its application type and by thereupon determining said particular one of said intelligent network element servers from a number translation table based on said determined application type and on said particular subscriber location.

28. The apparatus of claim 16 wherein said outgoing calls include intelligence carried in data packets conforming to an asynchronous transfer mode (ATM) format.

29. The apparatus of claim 28 wherein said routing means carries out said routing via the ATM commands between said point of distribution and said intelligent network element servers.

30. The apparatus of claim 16 wherein said routing means carries out said routing by establishing of a virtual circuit between said point of distribution and said particular one of said intelligent network element servers.