发明名称 |
A CALL MONITOR ARRANGEMENT |
摘要 |
A call monitor arrangement for monitoring a permanent telecommunication call through a call route. The arrangement determines whether there is data flow in the call route such that when data flow is determined then the call route is confirmed to exist whilst if no data flow is determined then the arrangement attempts to re-establish the permanent telecommunication call. |
申请公布号 |
AU1811588(A) |
申请公布日期 |
1989.01.05 |
申请号 |
AU19880018115 |
申请日期 |
1988.06.17 |
申请人 |
GEC PLESSEY TELECOMMUNICATIONS LIMITED |
发明人 |
S.J. MOORE |
分类号 |
H04M3/22;H04L12/26;H04Q11/04 |
主分类号 |
H04M3/22 |
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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