| 6,587,560 Low voltage circuits powered by the phone line
|
31 |
1998
|
| 6,480,602 Ring-detect interface circuitry and method for a communication system
|
7 |
1998
|
| 6,456,712 Separation of ring detection functions across isolation barrier for minimum power
|
11 |
1998
|
| 6,442,213 Digital isolation system with hybrid circuit in ADC calibration loop
|
10 |
1998
|
| 6,442,271 Digital isolation system with low power mode
|
6 |
1998
|
| 6,408,034 Framed delta sigma data with unlikely delta sigma data patterns
|
7 |
1998
|
| 6,389,134 Call progress monitor circuitry and method for a communication system
|
4 |
1998
|
| 6,385,235 Direct digital access arrangement circuitry and method for connecting to phone lines
|
32 |
1998
|
| 6,359,983 Digital isolation system with data scrambling
|
12 |
1998
|
| 6,307,891 Method and apparatus for freezing a communication link during a disruptive event
|
6 |
1998
|
| 6,298,133 Telephone line interface architecture using ringer inputs for caller ID data
|
16 |
1998
|
| 6,289,070 Digital isolation system with ADC offset calibration including coarse offset
|
11 |
1998
|
| 6,222,922 Loop current monitor circuitry and method for a communication system
|
27 |
1998
|
| 6,167,132 Analog successive approximation (SAR) analog-to-digital converter (ADC)
|
17 |
1998
|
| 6,167,134 External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
|
32 |
1998
|
| 6,160,885 Caller ID circuit powered through hookswitch devices
|
15 |
1998
|
| 6,516,024 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with low distortion and current limiting
|
10 |
1998
|
| 6,504,864 Digital access arrangement circuitry and method for connecting to phone lines having a second order DC holding circuit
|
2 |
1998
|
| 6,498,825 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting
|
10 |
1998
|
| 6,240,166 LAN connection using analog modems via telephone wiring
|
67 |
1998
|
| 6,225,927 Analog isolation system with digital communication across a capacitive barrier
|
27 |
1999
|
| 6,654,409 Direct digital access arrangement circuitry and method for connecting DSL circuitry to phone lines
|
12 |
1999
|
| 6,323,796 Digital isolation system with ADC offset calibration
|
10 |
2000
|
| 6,389,061 Isolation system with digital communication across a capacitive barrier
|
12 |
2000
|
| 6,611,553 Isolation system with digital communication across a capacitive barrier
|
11 |
2000
|
| 6,330,330 External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
|
5 |
2000
|
| 6,297,755 Analog isolation system with digital communication across a capacitive barrier
|
22 |
2001
|
| 6,570,513 Isolation system with digital communication across a capacitive barrier
|
18 |
2001
|
| 6,754,341 External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
|
3 |
2001
|
| 7,200,167 Direct digital access arrangement circuitry and method for connecting to phone lines
|
4 |
2002
|
| 7,050,509 Digital isolation system with hybrid circuit in ADC calibration loop
|
35 |
2002
|
| 7,072,389 Direct digital access arrangement circuitry and method for connecting to phone lines
|
5 |
2002
|
| 7,362,841 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable DC termination impedance
|
1 |
2002
|
| 6,683,548 Analog isolation system with digital communication across a capacitive barrier
|
6 |
2003
|
| 7,218,713 Telephone line interface for DAA circuitry
|
1 |
2003
|
| 6,975,723 Architecture for minimum loop current during ringing and caller ID
|
5 |
2003
|
| 6,922,469 Separation of ring detection functions across isolation barrier for minimum power
|
2 |
2003
|
| 7,203,224 Isolation system with digital communication across a capacitive barrier
|
6 |
2003
|
| 7,154,940 Isolation system with digital communication across a capacitive barrier
|
6 |
2003
|
| 6,959,083 Loop current monitor circuitry and method for a communication system
|
3 |
2003
|
| 7,003,023 Digital isolation system with ADC offset calibration
|
46 |
2003
|
| 7,515,672 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting
|
3 |
2003
|
| 7,046,755 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable time constants
|
1 |
2003
|
| 7,301,995 Direct digital access arrangement circuitry and method for connecting to phone lines
|
4 |
2004
|
| 7,283,584 Direct digital access arrangement circuitry and method for connecting to phone lines
|
3 |
2004
|
| 7,463,675 Direct digital access arrangement circuitry and method for connecting to phone lines
|
0 |
2006
|
| 7,436,842 Outlet with analog signal adapter, a method for use thereof and a network using said outlet
|
2 |
2001
|
| 7,542,554 Telephone outlet with packet telephony adapter, and a network using same
|
4 |
2001
|
| 7,317,793 Method and system for providing DC power on local telephone lines
|
29 |
2003
|
| 7,867,035 Modular outlet
|
0 |
2004
|
| 7,466,722 Telephone communication system over a single telephone line
|
0 |
2004
|
| 7,483,524 Network for telephony and data communication
|
12 |
2004
|
| 7,680,255 Telephone outlet with packet telephony adaptor, and a network using same
|
0 |
2004
|
| 7,769,030 Telephone outlet with packet telephony adapter, and a network using same
|
4 |
2004
|
| 7,492,875 Network for telephony and data communication
|
2 |
2004
|
| 7,397,791 Telephone communication system over a single telephone line
|
1 |
2005
|
| 7,522,713 Network for telephony and data communication
|
4 |
2005
|
| 7,633,966 Network combining wired and non-wired segments
|
8 |
2005
|
| 8,325,636 Local area network of serial intelligent cells
|
0 |
2005
|
| 7,702,095 Method and system for providing DC power on local telephone lines
|
2 |
2005
|
| 7,453,895 Outlet with analog signal adapter, a method for use thereof and a network using said outlet
|
8 |
2005
|
| 7,522,714 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
|
3 |
2006
|
| 7,274,688 Telephone communication system over a single telephone line
|
0 |
2006
|
| 7,715,534 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
|
2 |
2006
|
| 8,107,618 Method and system for providing DC power on local telephone lines
|
0 |
2006
|
| 7,686,653 Modular outlet
|
3 |
2006
|
| 8,270,430 Local area network of serial intelligent cells
|
0 |
2006
|
| 8,238,328 Telephone system having multiple distinct sources and accessories therefor
|
0 |
2006
|
| 8,000,349 Telephone communication system over a single telephone line
|
3 |
2007
|
| 7,593,394 Telephone communication system over a single telephone line
|
0 |
2007
|
| 7,953,071 Outlet with analog signal adapter, a method for use thereof and a network using said outlet
|
2 |
2008
|
| 7,873,058 Outlet with analog signal adapter, a method for use thereof and a network using said outlet
|
2 |
2008
|
| 7,860,084 Outlet with analog signal adapter, a method for use thereof and a network using said outlet
|
2 |
2008
|
| 8,223,800 Telephone communication system over a single telephone line
|
0 |
2008
|
| 7,889,720 Outlet with analog signal adapter, a method for use thereof and a network using said outlet
|
1 |
2008
|
| 8,351,582 Network for telephony and data communication
|
0 |
2008
|
| 8,363,797 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
|
0 |
2010
|
| 8,092,258 Modular outlet
|
1 |
2011
|
| 8,235,755 Modular outlet
|
0 |
2011
|
| 8,360,810 Modular outlet
|
0 |
2011
|
| 6,512,764 Method and apparatus for providing voice signals to and from a telecommunications switch
|
16 |
1999
|
| 7,099,310 Method and apparatus for providing voice signals to and from a telecommunications switch
|
2 |
2000
|
| 6,512,762 System and method for communicating telecommunication information between customer premises equipment and network equipment
|
14 |
2000
|
| 6,466,573 System and method for communicating telecommunication information between a telecommunication switch and customer premises equipment
|
15 |
2000
|
| 6,404,763 System and method for communicating telecommunication information between network equipment and a plurality of local loop circuits
|
16 |
2000
|
| 7,675,900 System and method for interfacing between signaling protocols
|
3 |
2000
|
| 6,839,342 System and method for interfacing signaling information and voice traffic
|
8 |
2000
|
| 7,385,963 System and method for communicating telecommunication information from a telecommunication network to a broadband network
|
5 |
2000
|
| 7,184,427 System and method for communicating telecommunication information from a broadband network to a telecommunication network
|
6 |
2000
|
| 6,754,221 System and method for selecting a compression algorithm according to an available bandwidth
|
46 |
2001
|
| 7,149,182 System and method for providing lifeline telecommunication service
|
32 |
2001
|
| 6,526,046 System and method for communicating telecommunication information using asynchronous transfer mode
|
15 |
2001
|
| 6,996,134 System and method for reliably communicating telecommunication information
|
36 |
2001
|
| 7,245,583 System and method for providing lifeline telecommunication service to line-powered customer premises equipment
|
1 |
2001
|
| 7,170,854 System and method using switch fabric to support redundant network ports
|
4 |
2001
|
| 6,879,667 System and method for interfacing telephony voice signals with a broadband access network
|
16 |
2002
|
| 7,239,628 Line-powered network interface device
|
32 |
2002
|
| 7,738,449 Method and apparatus for providing voice signals to and from a telecommunications switch
|
1 |
2006
|
| 7,990,984 System and method for communicating telecommunication information between a broadband network and a telecommunication network
|
1 |
2007
|
| 7,162,020 Method and apparatus for selectively establishing communication with one of plural devices associated with a single telephone number
|
10 |
2000
|
| 7,257,205 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
|
6 |
2002
|
| 7,292,858 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
|
2 |
2003
|
| 8,233,603 Method and apparatus for communicating with one of plural devices associated with a single telephone number
|
0 |
2006
|
| 7,274,782 Method and apparatus for selectively establishing communication with one of plural devices associated with a single telephone number
|
3 |
2006
|
| 8,135,410 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
|
0 |
2007
|
| 7,680,511 Method and apparatus for communicating via virtual office telephone extensions
|
5 |
2007
|
| 8,170,187 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
|
0 |
2007
|
| 7,440,561 Method and apparatus for selectively establishing communication with one of plural devices associated with a single telephone number
|
2 |
2007
|
| 8,144,856 Method and apparatus for communicating with one of plural devices associated with a single telephone number
|
0 |
2007
|
| 8,135,121 Method and apparatus for selectively establishing communication with one of plural devices associated with a single telephone number
|
0 |
2008
|
| 8,380,245 Method and apparatus for communicating via virtual office telephone extensions
|
0 |
2010
|
