e/Echo suppressor

Information
has gloss	eng: An echo suppressor (sometimes "acoustic echo suppressor" / AES) is a telecommunications device used to reduce the echo heard on long telephone circuits, particularly circuits that traverse satellite links. Echo suppressors were first developed in the 1950s in response to the first use of satellites for telecommunications, but they have since been largely supplanted by better performing cancellers Acoustic Echo Cancelling
lexicalization	eng: Echo Suppressor
instance of	c/Communication circuits