Analog telephone subscriber terminal apparatus

Apparatus and method for controlling an echo canceler

Apparatus and method for echo characterization of a communicatio

Apparatus and method for interfacing between multimedia...

Apparatus and method for line pair testing and fault...

Apparatus and method for measuring loop impedance

Apparatus and method for noise reduction for a full-duplex speak

Apparatus and method for programmable line interface...

Apparatus and method for real-time power distribution...

Apparatus and method for regulating an SLIC supply voltage

Apparatus and method of coupling home network signals...

Apparatus and method of single-in-line embedded modem

Apparatus for connecting and disconnecting subscriber premises l

Apparatus for connecting and disconnecting subscriber premises l

Apparatus for controlling a current supply device

Apparatus for cordless computer telephony

Apparatus for detecting and discriminating phase jumps in a peri

Apparatus for interfacing analog telephone in ISDN terminal adap

Apparatus for mounting a low pass filter in a telephone network

Apparatus for protecting a subscriber line interface circuit aga