文档介绍：常用前缀代码(Prefix) *11 数字话机对比度调节 Set features contrast programmation *12 锁键盘 Set features Pad lock *13 保护不被强插 Set features protection against beeps *14 替代话机 Set features Substitution *16 组退出 Set features Set group exit *17 组进入 Set features Set group entry *24 快速呼叫相关分机 Local features Speed call associated set *25 呼叫/驻留 External features Park call / retrieve *44 多方会议 Local features Meet me conference *60 立即转移 Set features Immediate forward *61 遇忙转移 Set features Immediate forward on busy *62 无应答转移 Set features Forward on no reply *63 忙/闲都转移 Set features Forward on busy or no reply *64 取消转移 Set features Forward cancellation *65 取消叫醒 Local features Cancel wake - up *66 叫醒功能 Local features Wale - up / appointment remind *67 取消回叫 Local features Consult call back list *68 修改相关分机 Set features Associated directory no modify *69 回叫上一主叫 Set features Last caller call back *70 重拨最后号码 External features Redial last number *71 直接代接 General features Direct call pick - up *72 组代接 General features Group call pick - up *73 无应答溢出到相关分机 Set features Overflow no reply to associate set *74 取消溢出 Set features Cancel overflow to associate set *75 遇忙溢出到相关分机 Set features Overflow busy to associate set