Method for remotely controlling a telephone loop/channel from another
These patents are for Call Bridge, Managed Call Forwarding, and Call Back - features common to almost all of the approx 120 PBX vendors products in the US.
Marketing document is attached as a pdf.
US 6,134,312 issued 2000-10-17 [MORE INFO
US 5,719,925 issued 1998-02-17 [MORE INFO
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