Method of learning the characteristics of a telephone

Details Method of learning the characteristics of a telephone Method of learning the characteristics of a telephone

H - Electricity

04

M

H04M 3/26 (2006.01)

Patent

CA 2319224

A CO Dialtone Learning Sequence method of learning the characteristics of any telephone with a 4-wire port interface comprises searching for a CO dialtone, detecting a CO dialtone, selecting receive lines, setting the receive channel sensitivity by comparison with receive level references, selecting transmit lines and setting the transmit channel sensitivity by comparison with a transmit reference signal.

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