移动智能网呼叫的流程.pptVIP

* PPS呼叫PSTN用户 O- CSI触发 号码段触发 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. PPS呼叫普通GSM用户 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 异常流程(以预付费用户呼叫固定用户为例) 在用户通话过程中发现用户帐户不足1分钟时,系统向用户发送提示音,余额使用完时SSP上报计费信息并切断呼叫. 当预付费用户发起呼叫,SCP发现主叫用户帐户无效(帐户空,帐户过期)用户无权,被叫号码前未加长途区号或长途区号错(被叫为固定电话)时给用户放录音通知,随后SCP向SSP发送RELEASE CALL消息. 对每个呼叫SCP每6分钟发送ACTIVITY TEST 如未收到确认信息即SSP与SCP之间的链路有故障则SCP停止计费并释放SCP资源 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. PSTN或普通用户呼叫预付费用户 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1. MSCa/VLR/SSP收到PSTN或GSM用户发起的呼叫后判断出主叫用户不是预付费用户,则向被叫HLRb发送SRI消息,若被叫是预付费用户,则返回签约信息T_ CSI. 2. MSCa/VLR/SSP 由T_CSI数据中得到被叫SCPb的地址向SCPb发送IDP消息,若PSTN接入的GMSC或普通GSM的始发MSC具有SSP功能则将GMSC/SSP或始发MSC/SSP所在位置长途区号放在IDP消息中的参数Location number中若PSTN经GMSC OVERLAY接入SSP或普通GSM用户始发MSC/VLR OVERLAY接入SSP SSP根据被叫号码前加的前缀转换出主叫的实际位置放在IDP消息中的Location Number参数中 3. SCPb收到IDP消息后先分析被叫用户帐户若帐户有效则SCPb根据被叫归属地和被叫实际位置见Location Information参数确定费率并折算成通话时长向MSCa/VLR/SSP发送RRBE AC和Continue Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 4. MSCa/VLR/SSP收到Continue消息后向被叫HLRb再次发送SRI消息此次SRI消息抑制T CSI 得到被叫的MSRN 5. MSCa/VLR/SSP根据被叫的MSRN进行接续 6. 通话停止主被叫任一方挂机 MSCa/VLR/SSP上报挂机事件和计费报告 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose P