Broadband telecommunications system
DC CAFC
First Claim
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1. A method of operating an interworking unit to handle a plurality of calls, the method comprising:
- receiving messages into the interworking unit on a call-by-call basis where each one of the messages indicates one of a plurality of synchronous connections and a corresponding one of a plurality of identifiers;
receiving user communications for the calls from the synchronous connections indicated in the messages into the interworking unit;
in response to the messages, converting the user communications from the synchronous connections into asynchronous communications including the corresponding identifiers; and
transferring the asynchronous communications from the interworking unit for subsequent routing based on the identifiers.
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Abstract
The invention is a system for providing virtual connections through an ATM interworking multiplexer on a call-by-call basis. A signaling processor receives signaling for a call and selects the virtual connection for the call. The signaling processor generates new signaling that identifies the selection and transfers the new signaling to the ATM interworking multiplexer that accepted the access connection for the call. The multiplexer converts user information from the access connection into ATM cells for transmission over the virtual connection in accord with the new signaling.
56 Citations
16 Claims
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1. A method of operating an interworking unit to handle a plurality of calls, the method comprising:
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receiving messages into the interworking unit on a call-by-call basis where each one of the messages indicates one of a plurality of synchronous connections and a corresponding one of a plurality of identifiers;
receiving user communications for the calls from the synchronous connections indicated in the messages into the interworking unit;
in response to the messages, converting the user communications from the synchronous connections into asynchronous communications including the corresponding identifiers; and
transferring the asynchronous communications from the interworking unit for subsequent routing based on the identifiers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An interworking unit to handle a plurality of calls, the interworking unit comprising:
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a control interface configured to receive messages on a call-by-call basis where each one of the messages indicates one of a plurality of synchronous connections and a corresponding one of a plurality of identifiers;
a synchronous communication interface configured to receive user communications for the calls from the synchronous connections indicated in the messages;
an asynchronous adaptation layer configured to convert the user communications into asynchronous communications including the corresponding identifiers in response to the messages; and
an asynchronous communication interface configured to transfer the asynchronous communications for subsequent routing based on the identifiers. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification
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Litigation Data
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Current AssigneeSprint Communications Company LP (Deutsche Telekom AG)
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Original AssigneeSprint Communications Company LP (Deutsche Telekom AG)
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InventorsChristie, Joseph Michael
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Primary Examiner(s)Patel, Ajit
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Application NumberUS09/439,033Time in Patent Office809 DaysField of Search370/395, 370/389, 370/396, 370/397, 370/398, 370/399, 370/400, 370/466, 370/422, 370/465, 379/224, 379/230US Class Current370/466CPC Class CodesH04J 3/125 One of the channel pulses o...H04J 3/247 ATM or packet multiplexingH04L 2012/561 Star, e.g. cross-connect, c...H04L 2012/563 Signalling, e.g. protocols,...H04L 2012/5653 using the ATM adaptation la...H04L 2012/5665 Interaction of ATM with oth...H04L 2012/5672 Multiplexing, e.g. coding, ...H04L 2101/64 Asynchronous transfer mode ...H04L 2101/65 Telephone numbersH04L 49/206 Real Time trafficH04L 49/251 Cut-through or wormhole rou...H04L 49/253 using establishment or rele...H04L 49/254 Centralised controller, i.e...H04L 49/255 Control mechanisms for ATM ...H04L 49/256 Routing or path finding in ...H04L 49/3009 Header conversion, routing ...H04L 49/50 Overload detection or prote...H04L 61/10 of different typesH04L 61/106 across networks, e.g. mappi...H04L 65/1069 Session establishment or de...View All
