busy lamp field

A modular component of a special telephone set typically used by the receptionist or

operator of a key telephone system (KTS), a busy lamp field is an array of line status lamps. A busy lamp field allows the operator to view the status, e.g., busy or available, of the stations.

• special resource function (SRF)
• specification
• speckle noise
• speckling
• spectral efficiency
• spectral width
• spectrum
• spectrum allocation
• spectrum management
• speech
• speech
• speech recognition
• speech recognition
• Speech-to-Speech (STS)
• speech-to-text
• speed of light
• SPE (Synchronous Payload Envelope)
• SPID (Service Profile IDentification)
• spike
• spim or SPIM (SPam over Instant Messaging)
• splice
• splice case
• splice tray
• splitter
• splitterless ADSL (splitterless Asymmetric Digital Subscriber Line Lite)