发明名称 |
Communications protocol for switching systems |
摘要 |
In a switching network including a central system and at least one end point device connected to the central system, a protocol for communicating between the central and the at least one end point device includes a plurality of signals that may be transmitted from the end point device to the central system, and a plurality of signals that may be transmitted from the central system to the end point device.
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申请公布号 |
US5333189(A) |
申请公布日期 |
1994.07.26 |
申请号 |
US19930091474 |
申请日期 |
1993.07.13 |
申请人 |
TELEFONAKTIENBOLAGET L M ERICSSON |
发明人 |
CLARY, ROBERT S.;RYMERT, LARS T. |
分类号 |
H04L29/06;H04Q11/04;(IPC1-7):H04M3/00 |
主分类号 |
H04L29/06 |
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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