A.GSMME1PR B.OBSFAILA C.OBSNUMBA D.GSMME3PR
A.被叫用戶(hù)忙 B.被叫用戶(hù)不在服務(wù)區(qū) C.主叫用戶(hù)在振鈴時(shí)掛機(jī) D.被叫號(hào)碼是空號(hào)