Broadband telecommunications system interface

• US 6,023,474 A
• Filed: 11/22/1996
• Issued: 02/08/2000
• Est. Priority Date: 11/22/1996
• Status: Expired due to Term

• Current Assignee: BALL, HARLEY R.; SPRINT COMMUNICATIONS COMPANY, LP, Sprint Communications Company LP (Deutsche Telekom AG)
• Original Assignee: Sprint Communications Company LP (Deutsche Telekom AG)
• Inventors: Nelson, Tracy Lee, Wiley, William Lyle, Gardner, Michael Joseph
• Primary Examiner(s): Patel, Ajit
• Application Number:
  US08/755,438
• Time in Patent Office: 1,173 Days
• Field of Search: 370/395, 370/410, 370/465, 370/466, 370/467, 370/401, 370/469, 395/200.6, 395/285, 395/831
• US Class Current: 370/467
• CPC Class Codes: H04J 2203/0066 Signalling, e.g. protocols, reference model
• CPC Class Codes: H04J 2203/0089 Multiplexing, e.g. coding, scrambling, SONET
• CPC Class Codes: H04J 3/125 One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
• CPC Class Codes: H04J 3/247 ATM or packet multiplexing
• CPC Class Codes: H04L 2012/563 Signalling, e.g. protocols, reference model
• CPC Class Codes: H04L 2012/5663 Support of N-ISDN
• CPC Class Codes: H04L 2012/5672 Multiplexing, e.g. coding, scrambling
• CPC Class Codes: H04L 49/254 Centralised controller, i.e. arbitration or scheduling
• CPC Class Codes: H04L 49/255 Control mechanisms for ATM switching fabrics
• CPC Class Codes: H04L 49/3009 Header conversion, routing tables or routing tags
• CPC Class Codes: H04Q 11/0478 Provisions for broadband connections
• CPC Class Codes: H04Q 2213/13102 Common translator
• CPC Class Codes: H04Q 2213/13104 Central control, computer control
• CPC Class Codes: H04Q 2213/13176 Common channel signaling, CCS7
• CPC Class Codes: H04Q 2213/13204 Protocols
• CPC Class Codes: H04Q 2213/13205 Primary rate access, PRI
• CPC Class Codes: H04Q 2213/13209 ISDN
• CPC Class Codes: H04Q 2213/1329 Asynchronous transfer mode, ATM
• CPC Class Codes: H04Q 2213/13292 Time division multiplexing, TDM
• CPC Class Codes: H04Q 2213/13296 Packet switching, X.25, frame relay
• CPC Class Codes: H04Q 2213/1338 : Inter-exchange connection
• CPC Class Codes: H04Q 2213/13389 : LAN, internet
• CPC Class Codes: H04Q 2213/13399 : Virtual channel/circuits
• CPC Class Codes: H04Q 3/0016 : Arrangements providing connection between exchanges
• CPC Class Codes: H04Q 3/0025 : Provisions for signalling

Abstract

The invention is a system for interfacing a GR-303 system with a broadband system. The broadband system can be an ATM system. The invention can process the GR-303 signaling to select ATM connections and then interwork the GR-303 connections with the selected ATM connections. The invention can interwork GR-303 signaling and SS7 signaling. The invention can also process SS7 signaling to select GR-303 connections and then interwork ATM connections with the selected GR-303 connections.

Claims

1. A telecommunications system that provides an interface between a broadband system and a GR-303 system for a telecommunications call, the telecommunications system comprising:

a signaling processing system that is operational to process GR-303 signaling, to select a broadband connection for the call, and to provide a control message that identifies the selected broadband connection;

a signaling interface that is operational to receive the GR-303 signaling from the GR-303 system and to provide the GR-303 signaling to the signaling processing system;

a bearer interface that is operational to receive GR-303 communications from the GR-303 system and to receive the control message from the signaling processing system, wherein the bearer interface is also operational to convert the GR-303 communications into broadband communications and to transmit the broadband communications to the broadband system on the selected broadband connection based on the control message;

links between the bearer interface, the signaling interface, and the signaling processing system that are operational to carry the GR-303 signaling and the control message.

2. The system of claim 1 wherein the system provides an interface between the broadband system and the GR-303 system for another telecommunications call wherein:

the signaling processing system is further operational to process other signaling from the broadband system for the other call, to select a GR-303 connection for the other call, to provide another control message for the other call that identifies the selected GR-303 connection, and to provide other GR-303 signaling for the other call;

the signaling interface is further operational to receive the other GR-303 signaling for the other call from the signaling processing system and to provide the other GR-303 signaling to the GR-303 system; and

the bearer interface is further operational to receive other broadband communications for the other call from the broadband system and to receive the other control message from the signaling processing system, wherein the bearer interface is also operational to convert the other broadband communications into other GR-303 communications and to transmit the other GR-303 communications to the GR-303 system on the selected GR-303 connection based on the other control message.

3. The system of claim 1 wherein the signaling processing system is also operational to interwork the GR-303 signaling and Signaling System #7 (SS7) signaling.

4. The system of claim 1 wherein the signaling processing system is also operational to exchange Signaling System #7 (SS7) signaling with the broadband system.

5. A telecommunications system that provides an interface between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for a telecommunications call, the telecommunications system comprising:

a signaling processing system that is operational to process GR-303 signaling from the GR-303 system, to select an ATM connection for the call, and to provide a control message that identifies the selected ATM connection;

a signaling interface that is operational to receive the GR-303 signaling from the GR-303 system and to provide the GR-303 signaling to the signaling processing system;

a bearer interface that is operational to receive GR-303 communications from the GR-303 system and to receive the control message from the signaling processing system, wherein the bearer interface is also operational to convert the GR-303 communications into ATM communications and transmit the ATM communications to the ATM system using the selected ATM connection based on the control message;

links between the bearer interface, the signaling interface, and the signaling processing system that are operational to carry the GR-303 signaling and the control message.

6. The system of claim 5 wherein the system provides an interface between the ATM system and the GR-303 system for another telecommunications call wherein:

the signaling processing system is further operational to process other signaling for the other call from the ATM system, to select a GR-303 connection for the other call, to provide another control message for the other call that identifies the selected GR-303 connection, and to provide other GR-303 signaling for the other call;

the signaling interface is further operational to receive the other GR-303 signaling for the other call from the signaling processing system and to provide the other GR-303 signaling to the GR-303 system; and

the bearer interface is further operational to receive other ATM communications for the other call from the ATM system and to receive the other control message from the signaling processing system, wherein the bearer interface is also operational to convert the other ATM communications into other GR-303 communications and to transmit the other GR-303 communications to the GR-303 system on the selected GR-303 connection based on the other control message.

7. A telecommunications system for use between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising:

a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections;

a signaling interface that is operational to exchange the call signaling between the GR-303 system and the signaling processing system; and

a bearer interface that is operational to receive the control messages from the signaling processing system and to interwork call communications between the GR-303 system and the ATM system on the selected connections based on the control messages.

8. The system of claim 7 wherein the signaling processing system is also operational to interwork the signaling from the GR-303 system and Signaling System #7 (SS7) signaling.

9. The system of claim 7 wherein the signaling processing system is also operational to interwork GR-303 set-up messages and Signaling System #7 (SS7) Initial Address Messages (IAMs).

10. The system of claim 7 wherein the signaling processing system is also operational to process an Signaling System #7 (SS7) Initial Address Message to select the ATM connection.

11. The system of claim 7 wherein the selected ATM connection is provisioned through an ATM cross-connect before the call.

12. The system of claim 7 wherein the signaling processing system is also operational to process an Signaling System #7 (SS7) Initial Address Message to select the GR-303 connection.

13. The system of claim 7 wherein the GR-303 connection is designated by a DSO.

14. The system of claim 7 further comprising an ATM cross-connect coupled to the bearer interface.

15. The system of claim 7 wherein the signaling processing system is further operational to exchange Signaling System #7 (SS7) signaling with the ATM system.

16. The system of claim 7 wherein the signaling processing system comprises a signaling converter and a signaling processor.

17. The system of claim 16 wherein the signaling converter is operational to interwork between GR-303 signaling and Signaling System #7 (SS7) signaling.

18. The system of claim 7 further comprising a resource device coupled to the bearer interface.

19. The system of claim 18 wherein the resource device is operational to detect DTMF tones.

20. The system of claim 7 wherein the signaling interface and the bearer interface are incorporated into an ATM multiplexer.

21. The system of claim 20 wherein the ATM multiplexer is further operational to provide a dial tone.

22. The system of claim 20 wherein the ATM multiplexer is further operational to provide ringback.

23. The system of claim 20 wherein the ATM multiplexer is further operational to provide DTMF tones.

24. The system of claim 23 wherein the DTMF tones identify a called number.

25. The system of claim 20 wherein the ATM multiplexer is further operational to detect DTMF tones.

26. The system of claim 25 wherein the DTMF tones identify a called number.

27. The system of claim 20 wherein the ATM multiplexer is further operational to interwork between GR-303 signaling and Signaling System #7 (SS7) signaling.

28. The system of claim 7 further comprising a first link between the signaling interface and the signaling processing system that is operational to carry the call signaling and a second link between the bearer interface and the signaling processing system that is operational to carry the control messages.

29. A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising:

a signaling processor that is operational to process Signaling System #7 (SS7) signaling, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections;

a signaling converter that is operational to interwork between GR-303 signaling and SS7 signaling and to exchange SS7 signaling with the signaling processor;

a signaling interface that is operational to exchange the GR-303 signaling between the signaling converter and the GR-303 system; and

a bearer interface that is operational to receive the control messages from the signaling processor and to interwork call communications between the GR-303 system and the ATM system using the selected connections based on the control messages.

30. A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising:

a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections;

a remote digital terminal that is operational to provide GR-303 communications and GR-303 signaling;

an ATM multiplexer that is operational to exchange the GR-303 signaling between remote digital terminal and the signaling processing system, to receive the control messages from the signaling processing system, and to interwork the GR-303 communications between the remote digital terminal the ATM system using the selected connections based on the control messages;

at least one link between the ATM multiplexer and the signaling processing system that is operational to carry the GR-303 signaling and the control messages; and

at least one connection between the remote digital terminal and the ATM multiplexer that is operational to carry the GR-303 communications and the GR-303 signaling.

31. The system of claim 30 w%herein the ATM multiplexer is further operational to collect digits from callers.

32. The system of claim 31 wherein the ATM multiplexer is further operational to provide information indicating the collected digits to the signaling processing system.

33. The system of claim 32 wherein the signaling processing system uses the information indicating the collected digits to select the ATM connection.

34. A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising:

a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections;

a remote digital terminal that is operational to provide GR-303 communications and GR-303 signaling;

an ATM cross-connect that is operational to interconnect ATM communications over the selected ATM connections wherein the selected ATM connections are provisioned through the ATM cross-connect before the call;

an ATM multiplexer that is operational to exchange the GR-303 signaling between remote digital terminal and the signaling processing system, to receive the control messages from the signaling processing system, and to interwork the communications between the remote digital terminal the ATM cross-connect using the selected connections based on the control messages;

at least one link between the ATM multiplexer and the signaling processing system that is operational to carry the GR-303 signaling and the control messages; and

at least one connection between the remote digital terminal and the ATM multiplexer that is operational to carry the GR-303 communications and the GR-303 signaling.

at least one connection between the ATM multiplexer and the ATM cross-connect that is operational to carry the ATM communications.

35. A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising:

a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections;

a signaling interface that is operational to exchange the call signaling between the GR-303 system and the signaling processing system; and

a bearer interface that is operational to receive the control messages from the signaling processing system and to interwork call communications between the GR-303 system and the ATM system on the selected connections based on the control messages, wherein the bearer interface is further operational to interconnect the call communications from a first GR-303 connection to a second GR-303 connection based on the control messages.

36. A method for operating a telecommunications system that interworks between a GR-303 system and an Asynchronous Transfer Mode (ATM) system for telecommunications calls, the method comprising:

receiving GR-303 signaling and GR-303 communications into the telecommunications system;

converting the GR-303 signaling into Signaling System #7 (SS7) signaling;

processing the SS7 signaling to select ATM connections; and

interworking the GR-303 communications with the selected ATM connections.

37. The method of claim 36 further comprising:

receiving SS7 signaling and ATM communications into the telecommunications system;

processing the SS7 signaling to select GR-303 connections; and

interworking the ATM communications with the selected GR-303 connections.

38. The method of claim 36 further comprising:

receiving additional GR-303 signaling and additional GR-303 communications into the telecommunications system;

converting the additional GR-303 signaling into additional Signaling System #7 (SS7) signaling;

processing the additional SS7 signaling to select GR-303 connections; and

interconnecting the additional GR-303 communications with the selected GR-303 connections.

39. A method for operating a telecommunications system that interworks between a GR-303 system and an Asynchronous Transfer Mode (ATM) system for a telecommunications calls from callers, the method comprising:

receiving GR-303 set-up messages from the GR-303 system into the telecommunications system;

collecting digits from the callers;

converting the GR-303 set-up messages and the collected digits into Signaling System #7 (SS7) Initial Address Messages (IAMs);

processing the SS7 IAMs to select ATM connections to the ATM system;

receiving GR-303 communications from the GR-303 system;

interworking the GR-303 communications with the selected ATM connections to the ATM system.

40. The method of claim 39 further comprising:

receiving other SS7 IAMs from the ATM system into the telecommunications system;

processing the other SS7 IAMs to select GR-303 connections;

receiving ATM communications from the ATM system;

interworking the ATM communications with the selected GR-303 connections.

41. The method of claim 39 further comprising:

receiving additional GR-303 set-up messages from the GR-303 system into the telecommunications system;

collecting additional digits from the callers;

converting the additional GR-303 set-up messages and the additional collected digits into additional Signaling System #7 (SS7) Initial Address Messages (IAMs);

processing the additional SS7 IAMs to select GR-303 connections to the GR-303 system;

receiving GR-303 communications from the GR-303 system;

interconnecting the additional GR-303 communications with the selected GR-303 connections to the GR-303 system.