发明名称 |
Two step database interrogation for supporting the implementation of a fall-back at call set-up |
摘要 |
The invention relates to methods and devices that enable to request more than one service during call set-up. To this end a new indicator is introduced into a request message sent to a database storing subscriber data, for indicating that at least one further request message is sent and a response indicator that a database is adapted to handle said indicator. Furthermore a set of rules is defined how different responses from the database are processed to enable said request.
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申请公布号 |
US7668551(B2) |
申请公布日期 |
2010.02.23 |
申请号 |
US20030539194 |
申请日期 |
2003.12.06 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
发明人 |
KERR JOHN;HEDE PATRICE;SHRADER JORG |
分类号 |
H04W40/00;H04L12/26;H04L29/06;H04L29/08;H04W76/02 |
主分类号 |
H04W40/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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