(Askeri) KONFERANS ÇAĞRISI: Karşılıklı konuşma yapılabilmesi veya birden çok kimseye aynı anda emir verilebilmesi için ikiden çok telefonun aynı zamanda birbirine bağlanması
A conference call is a phone call in which more than two people take part. There are daily conference calls with Washington. A conference by telephone in which three or more persons in different locations participate by means of a central switching unit. a telephone call in which several people in different places can all talk to each other