Apparatus for automatically recovering speech path of telephone

Apparatus for connecting and disconnecting a ringing signal to a

Apparatus for control of storing information into dial memories

Apparatus for disabling a telephone ringer

Apparatus for drawing and processing electrical power from a com

Apparatus for driving a service function unit of a multi-functio

Apparatus for enabling a telephone user to obtain telephone...

Apparatus for generating alerts of varying degrees

Apparatus for prestored bypass dialing

Apparatus for referring to a content of a dial memory in a telph

Apparatus for remotely determining hook status conditions

Apparatus for telephone extension control

Apparatus for timely controlling the sound characteristic of a s

Apparatus for timely controlling the sound characteristic of a s

Apparatus for transmitting and/or receiving balanced signals on

Apparatus for use in completing telephone calls

Apparatus having a dial calling function

Apparatus, method and system for personal telecommunication...

Arrangement for determining switch port status at an adjunct pro

Arrangement for effecting segmentation of a dialed number