US6104800A
(en )
2000-08-15
Method for providing call waiting notification to a party engaged in a data call
US5513251A
(en )
1996-04-30
Method for providing call waiting service
EP0601260B1
(en )
1998-05-27
Full-duplex start-up method for modems
US5796808A
(en )
1998-08-18
System and method for automatically selecting the mode of communication between a plurality of modems
US5287401A
(en )
1994-02-15
Apparatus and method for a modem for detecting a call waiting signal
US5651060A
(en )
1997-07-22
Method and apparatus for detecting and recovering from call waiting interruptions to modem communications
US5764278A
(en )
1998-06-09
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US5550908A
(en )
1996-08-27
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EP0741418A2
(en )
1996-11-06
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US5862474A
(en )
1999-01-19
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US5903602A
(en )
1999-05-11
Method for controlling a modem connection in the event of disturbance
US6333974B1
(en )
2001-12-25
Detection of a call-waiting tone by a modem
US6317455B1
(en )
2001-11-13
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TW333733B
(en )
1998-06-11
The rapid startup protocol for communications between plural modems
EP0741481A2
(en )
1996-11-06
Modem communication interoperability with call waiting services
US6993010B1
(en )
2006-01-31
Spoofing to preserve a communication link
US6731726B1
(en )
2004-05-04
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US6452963B1
(en )
2002-09-17
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US6996214B1
(en )
2006-02-07
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USRE42661E1
(en )
2011-08-30
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US6980630B1
(en )
2005-12-27
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US6920207B2
(en )
2005-07-19
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FR741481A
(en )