发明名称 |
Device and method to establish communication |
摘要 |
The invention relates to a method and an apparatus to establish both telephone and digital communication through an interface between a subscriber unit and a Local Exchange on a telecommunication line intended for digital traffic, for instance an ISDN-line. For the telephone communication, the subscriber unit and the Local Exchange are communicating by transmitting packages according to a protocol comprising PSTN speech communication together with at least service functions through an interface between the subscriber unit and the Local Exchange.
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申请公布号 |
US6343118(B1) |
申请公布日期 |
2002.01.29 |
申请号 |
US19980161615 |
申请日期 |
1998.09.28 |
申请人 |
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) |
发明人 |
HASTER LARS-OLOF |
分类号 |
H04Q3/42;H04M3/00;H04M11/00;H04Q11/04;(IPC1-7):H04M11/00 |
主分类号 |
H04Q3/42 |
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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