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Delivery of voice data from multimedia messaging service messages |
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— |
2011-10-11 |
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Communication systems and methods |
— |
2011-03-22 |
| 7792541 |
Half-duplex to full-duplex transitioning in network based instant connect communication |
— |
2010-09-07 |
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Delivery of voice data from multimedia messaging service messages |
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2008-01-08 |
| 7133687 |
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2006-11-07 |
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Floor control management in speakerphone communication sessions |
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2006-10-31 |
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Floor control management in network based instant connect communication |
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2006-06-27 |
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| 5682337 |
High speed three-state sampling |
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Method and apparatus for generating and synchronizing a plurality of digital signals |
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1997-09-30 |