Manual Transfer

A feature that enables the PSAP attendant to transfer incoming 9‐1‐1 calls by manually obtaining dial tone through use of the telephone switch or...

InterLATA

A term used to describe services, revenues, and functions that relate to telecommunications originating in one LATA and terminating in another LATA...

Erlang

A measure of traffic intensity in a telecommunications system or network. One Erlang is one fully occupied traffic path. It is one traffic path...

Diversity

The technique of using one, two, or more separate transmission channels. If the channels are along the same path, there is frequency or polarization...