发明名称 Signalointimenetelmä ja -järjestely langattomassa verkossa ja langaton päätelaite
摘要 <p>The present invention relates in general to telecommunication networks and more specifically to a method and an arrangement for signalling in a wireless IP multimedia network and to a wireless IP multimedia network terminal device. With the help of the solution according to the presented invention 3GPP Core Network IP Multimedia Subsystem and all the products associated with that i.e. terminals, Media Gateway, Media Gateway Control Function, etc. can to support DTMF tones. <IMAGE></p>
申请公布号 FI111585(B) 申请公布日期 2003.08.15
申请号 FI20010002191 申请日期 2001.11.12
申请人 TELEFONAKTIEBOLAGET L M ERICSSON, 发明人 GARCIA-MARTIN,MIGUEL-ANGEL
分类号 H04L;H04L12/56;H04L12/66;H04L29/06;H04M7/00;H04M9/00;H04W28/04;H04W76/02;H04W99/00;(IPC1-7):H04L12/66 主分类号 H04L
代理机构 代理人
主权项
地址