发明名称 |
Internetworking For Circuit Switched Fallback-Network Initiated USSD Request/Notification Procedure Mobile-Terminated Location Request Procedure Provide Subscriber Information Procedure |
摘要 |
A method for switch user equipment from a Long Term Evolution system to a Circuit Switched system when receiving a voice call is disclosed. The method may comprise: receiving, at an IWF (Internet Working Function) network node, a Mobility Application Part Unstructured Supplementary Service Data (MAP USSD) message identifying a User Equipment (UE) originated from a USSD application, the UE associated with a first Mobile Switching Center (MSC); initiating Circuit Switched Fallback (CSFB) by sending a paging request to the UE; receiving a Cancel Location message associated with the UE from a Home Location Register (HLR) indicative of the UE being associated with a second MSC; forwarding the MAP USSD message to the UE via the HLR and the second MSC; receiving a MAP USSD response message from the UE via the HLR; and forwarding the MAP USSD response message to the USSD application. |
申请公布号 |
US2015257043(A1) |
申请公布日期 |
2015.09.10 |
申请号 |
US201214403996 |
申请日期 |
2012.08.15 |
申请人 |
Wallis Michael Brett;Sharma Anish |
发明人 |
Wallis Michael Brett;Sharma Anish |
分类号 |
H04W36/00;H04W60/04 |
主分类号 |
H04W36/00 |
代理机构 |
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代理人 |
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主权项 |
1. A method comprising:
receiving, at an IWF (Internetworking Function) network node, a Mobility Application Part Unstructured Supplementary Service Data (MAP USSD) message identifying a User Equipment (UE) originated from a USSD application, the UE associated with a first Mobile Switching Center (MSC); initiating Circuit Switched Fallback (CSFB) by sending a paging request to the UE; receiving a Cancel Location message associated with the UE from a Home Location Register (HLR) indicative of the UE being associated with a second MSC; forwarding the MAP USSD message to the UE via the HLR and the second MSC; receiving a MAP USSD response message from the UE via the HLR; and forwarding the MAP USSD response message to the USSD application. |
地址 |
McKinnney TX US |