common transport trunk group
Telecommunications
A trunk group between exchange carrier switches which transports access traffic for numerous interexchange carriers concurrently and may also carry exchange carrier (EC) traffic. [T1.Rpt 11-1991]
A trunk group between exchange carrier switches which transports access traffic for numerous interexchange carriers concurrently and may also carry exchange carrier (EC) traffic. [T1.Rpt 11-1991]