1. Telecommunications Service Priority,
2. terminal service profile,
3. translation signaling point,
4. tunnel set-up protocol. See: Telecommunications Service Priority (TSP) service; Telecommunications Service Priority (TSP) Program; Telecommunications Service Priority (TSP) Program user.

See Telecommunications Service Priority system.

Abbreviation for traffic service position system.

All groups of operator positions, wherever located, associated with the same TSPS stored program control units. [47 CFR Pt.36-A]

Abbreviation for tandem tie trunk network.

Abbreviation for teletypewriter.

A unique telecommunication device for the deaf, using TTY principles.

Adjusting the parameters and components of a circuit so that it resonates at a particular frequency or so that the current or voltage is either maximized or minimized at a specific point in the circuit.
Note: Tuning is usually accomplished by adjusting the capacitance or the inductance, or both, of elements that are connected to or in the circuit. [From… (Read More →)

1. In computer networking, a technique for connecting two networks via a third, while totally isolating the connected traffic from other traffic in the third network. [After 2382-pt.35]
2. Technology enabling one network to send its data via another network's connections. Tunneling works by encapsulating a network protocol within packets carried by the second network. [INFOSEC-99]

Synonym leaky mode.