Method for the adaptive control of a digital echo canceller in a
Method of and device for the digital cancellation of the echo ge
Method of canceling echoes and echo canceler
Method of converging an echo canceller
Method of detecting narrow-band signals in an echo canceller
Method of distinguishing between echo path change and double...
Method of generating a ring signal in a subscriber line...
Method of providing adaptive echo cancellation
Method of providing d.c. feed to a telephone line
Method of reconstructing an analog signal, particularly in digit
Method of regulating power transfer across an isolation barrier
Methods and apparatus for a bridge tap moderator
Methods and apparatus for controlling echo suppression in commun
Methods and apparatus for improved echo suppression in communica
Methods and apparatus for providing an auxiliary communication l
Methods and apparatus for providing comfort noise in communicati
Midspan power delivery system for reduced emissions
Mode-dependent, multiple bias-driven battery switch for...
Modem data access arrangement without diode bridge
Modem having a digital high voltage isolation barrier