|
WO2020146347A1
|
|
Lpwan system with hybrid architecture
|
|
US2020367191A1
|
|
Signal geolocation system and method
|
|
US2015065181A1
|
|
Message server
|
|
US7227933B1
|
|
System and method for remote management of a DSL device
|
|
US2002075815A1
|
|
Computer-based multi-media communications system and method
|
|
US6442248B1
|
|
System for providing analog and digital telephone functions using a single telephone line
|
|
USH2065H
|
|
Proxy server
|
|
US6563821B1
|
|
Channel bonding in a remote communications server system
|
|
US6091737A
|
|
Remote communications server system
|
|
US5864560A
|
|
Method and apparatus for mode switching in a voice over data computer-based personal communications system
|
|
US5905794A
|
|
Caller identification interface using line reversal detection
|
|
US5812534A
|
|
Voice over data conferencing for a computer-based personal communications system
|
|
WO9703513A1
|
|
Mode switching system for a voice over data modem
|
|
US5754589A
|
|
Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
|
|
US5815567A
|
|
Communications interface providing isolation and ringdown features
|
|
US6219708B1
|
|
System for network resource management
|
|
US5628030A
|
|
Virtual modem driver apparatus and method
|
|
CA2204416A1
|
|
Computer-based multifunction personal communication system with caller id
|
|
CA2315745A1
|
|
Computer-based multifunction personal communication system with caller id
|
|
WO9615601A2
|
|
Voice over data conferencing communications system
|
