loca - LSI
- local area
- local area call
- local area network
- local automatic message accounting
- local automatic trunk testing device
- local battery
- local bus
- local call
- local carrier demodulation
- local carrier reception
- local central office
- local circuit
- local clock
- local communication
- local connection
- local copy
- local echo
- local exchange
- local exchange network
- local extension circuit
- local fading
- local injection and detection system
- local jack
- local line
- local loop
- local loopback
- local mode
- local network
- local record line
- local service area
- local session identification
- local subscriber
- local system queue area
- local traffic
- local-battery system
- local-battery telephone set
- localization
- localizer
- localizer beacon
- localoscillator
