遇忙回叫无条件转移遇忙转移无应答转移闹钟服务呼叫等待当您拨打对方电话听到忙音时，不用一拨再拨，挂机即可。一旦对方电话空闲，即能自动回叫接通，与您通话。当您有事外出时，为了避免耽误接听电话，可在话机上进行操作，将您的电话号码事先转移到临时去处的电话、手机或? Busy Callback Unconditional Transfer Busy Transfer No Answer Transfers Alarm Service Call Waiting When you dial a caller’s phone to hear a busy tone, you do not have to dial a call and hang up. Once the other phone is idle, you can automatically call back and talk to you. When you go out, in order to avoid delays in answering the phone, you can operate on the phone, your phone number in advance to move to a temporary phone, cell phone or?