Method and apparatus for providing answer supervision and an...

Details Method and apparatus for providing answer supervision and an... Method and apparatus for providing answer supervision and an...

H - Electricity

04

M

H04M 3/26 (2006.01) H04B 1/40 (2006.01) H04M 15/30 (2006.01) H04M 17/02 (2006.01) H04Q 7/32 (2006.01)

Patent

CA 2108581

2108581 9219066 PCTABS00017 A method and apparatus for telephone call answer supervision, capable of detecting the completion of both national and international calls, which employ different answer confirmation formats, and provide confirmation that a placed call has been answered if least one of the following conditions occurs: 1) a tone of a given frequency, transmitted on the transmit line (18) of a telephone, is detected as received back on the receive line (22); and 2) audio activity having a non-repetitive cadence is detected on both the transmit and receive lines of the telephone.

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