Inventor
EBERLE JR CHARLES R
US4 patents
Patents
4 patentsUS4995076AFeb 19, 1991
Call progress capability for a switched channel data service unit
INTEGRATED NETWORK CORP13 citations80
US5014307AMay 7, 1991
Method and apparatus for echo canceler disablement
INTEGRATED NETWORK CORP17 citations71
USRE36228EJun 15, 1999
Call progress capability for a switched channel data service unit
INTEGRATED NETWORK CORP1 citations60
US5060259AOct 22, 1991
Call progress capability for a switched channel data service unit
INTEGRATED NETWORK CORP3 citations60