H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/67
H04M 7/00 (2006.01)
Patent
CA 2019233
An-hook VF transmission through a channel unit to a subscriber telephone instrument is provided by a control unit which generates control signals for the channel unit. The control unit responds to receipt of an "idle" code by creating commands which establish a VF path through the channel unit regardless of whether the subscriber instrument is on-hook or off-hook.
Abousaeedi Makan
Gadsby Winston M.
Nightingale Roger A.
Finlayson & Singlehurst
Pulse Communications Inc.
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