External e-mail detection and warning
External ear canal voice detection
External ear insert for hearing comprehension enhancement
External hearing aids
External interface unit having message routing and protocol...
External magnetic field compensator
External modules with optional features for a dual-tuner...
External notification methods and apparatus for cellular...
External optical modulation system comprising a predistorter
External optical modulation system comprising a...
External power source to main battery power source switch
External security module for a television signal decoder
External signal synchronized message signaling apparatus for...
External synchronizing method and apparatus for information...
External-to-internal numbering plan aliasing
Externally controlled call processing system
Externally controlled reachability in virtual private networks
Externally ported loudspeaker enclosure
Externally sourced synchronized beacon
Extra high tension power supply units