发明名称 Network telephone system and telephone terminal
摘要 When, for instance, a telephone conversation is carried on by way of an IP telephone terminal, a control section of the IP telephone terminal adjusts, through control of a comfort amplifier, the level of comfort noise so as to superimpose the comfort noise on a received voice signal in accordance with a private branch to which a telephone terminal on the other party of the telephone conversation is connected.
申请公布号 US2006002527(A1) 申请公布日期 2006.01.05
申请号 US20050168870 申请日期 2005.06.29
申请人 TAKAHASHI TOSHIAKI;UTO YOSHISHIRO 发明人 TAKAHASHI TOSHIAKI;UTO YOSHISHIRO
分类号 H04M11/00 主分类号 H04M11/00
代理机构 代理人
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