Anh
speech circuit
connecting circuit
Đức
Sprechkreis
Anschaltung
Pháp
circuit de conversation
circuit de connexion
circuit de conversation /IT-TECH/
[DE] Sprechkreis
[EN] speech circuit
[FR] circuit de conversation
circuit de connexion,circuit de conversation /IT-TECH/
[DE] Anschaltung
[EN] connecting circuit
[FR] circuit de connexion; circuit de conversation