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Control circuit for causing cyclic application of sealing current for local loops supporting data network telephony |
Paul Franceschini, Franciscus Maria Ploumen, Andrew Gordon Tomilson, Michael Edward Smelters, Mary Ann Condie |
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Multi-dwelling unit module for passive optical networks |
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Distributed communication equipment architectures and techniques |
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2009-09-01 |
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Access network architecture for multicasting using xDSL and IGMP |
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2009-02-10 |
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Fast service restoration for lost IGMP leave requests |
Allan Poulsen, Stephen E. Crane |
2008-04-15 |
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IGMP expedited leave triggered by MAC address |
Dat Nguyen, Gregory Gyetko |
2007-06-05 |