同义词
1)Selective Call Forwarding on Busy/No Response SCF,遇忙/无应答有选择呼叫前转2)Call forwarding on busy/no reply,遇忙/无应答呼叫前转3)Call Forwarding No Reply,呼叫无应答前转4)Call Forwarding No Reply CFNR,无应答呼叫前转5)Call Forwarding On Busy,呼叫遇忙前转6)Selective Call Forwarding SCF,有选择呼叫前转
