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发明名称
HANDLING OF CIRCUIT-SWITCHED DATA SERVICES IN IP-BASED GSM NETWORKS
摘要
申请公布号
EP1252780(B1)
申请公布日期
2010.04.21
申请号
EP20010909630
申请日期
2001.01.16
申请人
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人
HAMELEERS, HEINO;HUNDSCHEIDT, FRANK
分类号
H04W88/16;H04Q11/04
主分类号
H04W88/16
代理机构
代理人
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