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发明名称
METHOD AND APPARATUSES FOR CODEC CHANGE FOR ONGOING CALLS ON IP-BASED A INTERFACE
摘要
申请公布号
EP2253178(A2)
申请公布日期
2010.11.24
申请号
EP20090710454
申请日期
2009.01.26
申请人
NOKIA SIEMENS NETWORKS OY
发明人
PAROLARI, SERGIO
分类号
H04W88/18
主分类号
H04W88/18
代理机构
代理人
主权项
地址
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