2741767-A1 cites 5 patents.

The device includes a management processing interface (110) which controls function access to a telephone bus line (112) connecting two telephone terminals (P1,P2). There are two processing modes, manual and automatic. The processing interface interacts with telephone bus surveillance monitors (120,121) and releases information when the line is free. A tone generator (140) provides sound information (165) and a display generator (160) provides visual information.

Title
Function simulation device for telephone network
Application Number
FR19950013964 19951123
Publication Number
2741767 (A1)
Application Date
November 23, 1995
Publication Date
May 30, 1997
Inventor
Comte Gerard
Assignee
France Telecom
FR
IPC
H04M11/00
H04M 11/00
H04M3/28
H04M 03/28
H04M3/32
H04M 03/32
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