A trunking arrangement between a local exchange carrier (LEC) and an interexchange carrier (IXC) that enables end users to make long distance telephone calls using the IXC network. Feature groups are designated A, B, C, and D.
Fg Sentence Examples
The pulley or sheave FG has a weight W
It is terminated by a well-developed structure (fg) corresponding with the apical sense-organ of ordinary Trochospheres, and an excretory organ (nph) of the type familiar in these larvae occurs on the ventral side of the stomach.