A call control signal at the data circuit -terminating-equipment/data- terminal -equipment ( DCE / DTE ) interface that indicates to the DTE that the establishment of the data connection is in progress and that the ready-for-data signal will follow.
CONNECTION IN PROGRESS SIGNAL
Meaning of CONNECTION IN PROGRESS SIGNAL in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012