1. The improper routing of a call back through a switching center already engaged in attempting to complete the same call . 2. In secondary surveillance radar , the presence of false targets declared as a result of transponder interrogation by side lobes of the interrogating antenna .
RINGAROUND
Meaning of RINGAROUND in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012