H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/42 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2146652
A digital private branch exchange system (10, 10') and methods of operating same are provided. A system (10, 10') is cap- able of providing improved and integrated conference calling, voice mail, music on hold, call forwarding features, without being subject to the typical problems associated with the prior art.
Leach Amy K.
Matern William T.
Gowling Lafleur Henderson Llp
Newton Communications Inc.
LandOfFree
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