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| Unassiagned number(未分配的号码(空号)) | |
| No route to destination(无至目的地的路由) | |
| Channel unacceptable(不可接受的信道) | |
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| No user responding(无用户响应) | |
| User alerting,no answer(已有用户提醒,但无应答) | |
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| Non selected user clearing(清除未选择的用户) | |
| Destination out of order(终点故障) | |
| Incomplete number(无效号码格式(不完全的号码)) | |
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| Response to status enquiry(对状态询问的响应) | |
| Normal,unspecified(正常,未规定) | |
| No circuit/channel available(无电路/信道可用) | |
| Network out of order(网络故障) | |
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| Switching equipment congestion(交换设备拥塞) | |
| Access information discarded(接入信息被丢弃) | |
| Requested circuit/channel not available(请求的电路/信道不可用) | |
| Resources unavailable,unspecified(资源不可用,未规定) | | |
| Quality of service unavailable(服务质量不可用) | | |
| Requested facility not subscribed(未预订所请求的设施) | | |
| Incoming calls barred within the CUG | | |
| Bearer capability not authorized(承载能力未认可) | | |
| Bearer capability not presently available(承载能力目前不可用) | |
| Service or option not available,unspecified(无适用的业务或任选项目,未规定) | |
| Bearer service not implemented(承载业务不能实现) | | | | |
| ACM equal to or greater than ACMmax | | |
| Requested facility not implemented(所请求的设施不能实现) | | |
| Only restricted digital information bearer(仅能获得受限数字信息承载能力) | | |
| Service or option not implemented(业务不能实现,未规定) | | | | |
| Invalid transaction identrfier value(无效处理识别码) | | | | |
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| Incompatible destination(非兼容目的地址) | | | | |
| Invalid mandatory information(无效过渡网选择) | | | | |
| Semantically incorrect message(无效消息,未规定) | | | | |
| Invalid mandatory information(必选消息单元差错) | | | | |
| Message type non-existent or not implemented(消息类型不存在或不能实现) | |
| Message type not compatible with protocol state(消息与控制状态不兼容,消息类型不存在或不能实现) |
| Information element non-existent or not implemented(信息单元不存在或不能实现) |
| Conditional IE error(无效信息单元内容) | | | | | |
| Message not compatible with protocol state(消息与呼叫状态不兼容) | |
| Recovery on timer expiry(定时器超时恢复) | | | | | |
| Protocol error,unspecified(协议差错,未规定) | | | | | |
| Interworking,unspecified(互通,未规定)
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