Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Service description
综合业务数字网(ISDN);呼叫转移无应答(CFNR)补充业务;服务描述
发布日期:
2001-05-01
在转接(计时器)和更新与CCB的交互之前,由用户控制的呼叫提供。
User-controlled call offer before divert (timer) and updating of the interaction with CCBS.