1. The queries and replies among communications equipment to determine the respective capabilities of each end of the communications link . 2. For layered systems, information exchanged between entities of a given layer , via the service provided by the next lower layer, to coordinate their joint operation .
PROTOCOL CONTROL INFORMATION
Meaning of PROTOCOL CONTROL INFORMATION in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012