AT系列集团电话系统ATSeriesGRPOUPTELEPHONEPABXSYSTEM商务分机功能BusinessExtentions分机二次来电显示智能IP拨号分机等级限制分机特许代码分机代接分机遇忙转移分机限拨分机弹性编码内部分机来电显示分机离位转移分机群呼排队振铃热线服务遇忙回叫CallerIDIPFunctionEXT.CallRestritionEXT.SpecialCodeCallPickupCalltransferonbusyCalltimelimitEXT.FlexibleCodingEXT.CallerIDEXT.LeavingTransferEXT.sRingallHotlineServiceCallBack基本服务程序BasicServiceProcess三段自录语音（20秒，多段）专线服务日/夜转换模式中继连号器功能512帐号漫游限时功能系统分时功能外接音乐后备电源接口（12V/24AH）智能IP拨号分机自检功能ThreesectionsvoicerecordedSpecialLineServiceDay/NightmodeLinkedTruckLineFuntion512teamsprivatecodeCalltimeLimitSystemtime-sharingFunction HoldmusicportReservepowersourceconnection(12V/24AH)IntelligentIPFunctionMulti-partsConferenceAutoCheck酒店服务程序HotelServiceProcess实时计费监控界面呼出计费程序计费打印接口宾馆前台押金管理特别服务代码自动叫醒服务PVA客房名称显示分机话单详细记录分机免打扰分机密码锁512帐号漫游智能IP拨号Real-timeChargingMonitoringInterfaceBillSystemofcalloutBillPrintPortManageDepositSpecialServiceCodeAutoWake-upServicePVADisplayGuestroomnameEXT.BillDetailRecordsEXT.DonotDisturbLockEXT.bypassword512teamsprivatecodeInterlligentIPFunction