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6999463 |
Number portability in a communications system
A communication system is disclosed comprised of a signaling processor and an interworking system. The signaling processor receives a call setup message including a called number, processes the...
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6999450 |
Ethernet based TDM switch
A method and apparatus for packetizing data framed as a TDM stream as an Ethernet packet. In an embodiment, the data is packetized into an Ethernet frame having a header which includes information...
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6885671 |
System and method for connecting a call
A system and method connect a call in a broadband system using the asynchronous transfer mode protocol for switching. Calls are connected over a SONET ring that has SONET multiplexers coupled by...
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6836542 |
System and method for processing ported calls
A system and method for connecting a call processes call signaling to determine if a call is a ported call or a non-ported call. A signaling processor determines if a ported number parameter (PNP),...
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