OGM /ˌəʊ dʒiː ˈem $ ˌoʊ-/ BrE AmE noun [countable]
(outgoing message) the message that you record on your telephone and that people will hear if they telephone you and you do not answer the call
OGM /ˌəʊ dʒiː ˈem $ ˌoʊ-/ BrE AmE noun [countable]
(outgoing message) the message that you record on your telephone and that people will hear if they telephone you and you do not answer the call
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012