编号 | 原因 | |||||
1 | Unassiagned number(未分配的号码（空号）) | |||||
3 | No route to destination(无至目的地的路由) | |||||
6 | Channel unacceptable(不可接受的信道) | |||||
16 | Normal clearing(正常清除) | |||||
17 | User busy(用户忙) | |||||
18 | No user responding(无用户响应) | |||||
19 | User alerting,no answer(已有用户提醒，但无应答) | |||||
21 | Call rejected(呼叫拒绝) | |||||
22 | Number changed(号码改变) | |||||
26 | Non selected user clearing(清除未选择的用户) | |||||
27 | Destination out of order(终点故障) | |||||
28 | Incomplete number(无效号码格式（不完全的号码）) | |||||
29 | Facility rejected(设施被拒绝) | |||||
30 | Response to status enquiry(对状态询问的响应) | |||||
31 | Normal,unspecified(正常，未规定) | |||||
34 | No circuit/channel available(无电路/信道可用) | |||||
38 | Network out of order(网络故障) | |||||
41 | Temporary failure(临时故障) | |||||
42 | Switching equipment congestion(交换设备拥塞) | |||||
43 | Access information discarded(接入信息被丢弃) | |||||
44 | Requested circuit/channel not available(请求的电路/信道不可用) | |||||
47 | Resources unavailable,unspecified(资源不可用，未规定) | |||||
49 | Quality of service unavailable(服务质量不可用) | |||||
50 | Requested facility not subscribed(未预订所请求的设施) | |||||
55 | Incoming calls barred within the CUG | |||||
57 | Bearer capability not authorized(承载能力未认可) | |||||
58 | Bearer capability not presently available(承载能力目前不可用) | |||||
63 | Service or option not available,unspecified(无适用的业务或任选项目，未规定) | |||||
65 | Bearer service not implemented(承载业务不能实现) | |||||
68 | ACM equal to or greater than ACMmax | |||||
69 | Requested facility not implemented(所请求的设施不能实现) | |||||
70 | Only restricted digital information bearer(仅能获得受限数字信息承载能力) | |||||
79 | Service or option not implemented(业务不能实现，未规定) | |||||
81 | Invalid transaction identrfier value(无效处理识别码) | |||||
87 | User not member of CUG | |||||
88 | Incompatible destination(非兼容目的地址) | |||||
91 | Invalid mandatory information(无效过渡网选择) | |||||
95 | Semantically incorrect message(无效消息，未规定) | |||||
96 | Invalid mandatory information(必选消息单元差错) | |||||
97 | Message type non-existent or not implemented(消息类型不存在或不能实现) | |||||
98 | 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) | |||||
99 | Information element non-existent or not implemented(信息单元不存在或不能实现) | |||||
100 | Conditional IE error(无效信息单元内容) | |||||
101 | Message not compatible with protocol state(消息与呼叫状态不兼容) | |||||
102 | Recovery on timer expiry(定时器超时恢复) | |||||
111 | Protocol error,unspecified(协议差错，未规定) | |||||
127 | Interworking,unspecified(互通，未规定) | |||||
DISCONNECT | 原因(CAUSE VALUE) | 用户感受 |
被叫TCH拥塞 | 34: No circurt/channel available | 录音通知,暂时无法接通 |
主叫TCH拥塞 | 34: No circurt/channel available | 连续的嘟嘟嘟嘟 |
有寻呼消息,但没有PAGING_RESPONSE | 16: normal clearing | 录音通知,暂时无法接通 |
被叫SDCCH拥塞 | 16: normal clearing | 录音通知,暂时无法接通 |
主叫SDCCH拥塞 | 没有DISCONNECT 消息 | 没有任何提示音,直接返回 |
SDCCH 掉话 | 41：temp failure | 录音通知,暂时无法接通 |
错误号码 | 28：Invalid number format | 主叫在听到一阵杂音后，多来米 |
呼叫无应答 | 18: alerting,but no answe | 录音通知,用户无人接听 |
CIC 复位 | 111：protocol error | 主叫听见多来米 |
被叫位置更新 | 41：temp failure | 录音通知,暂时无法接通 |
连接超时 | 102 | 主叫听见多来米，被叫无寻呼信息 |
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