METHOD AND APPARATUS FOR TELEPHONE INTERCOM DOORBELL RESPONSE SYSTEM

摘要

A doorbell response system that can be retrofit in an existing doorbell system of a dwelling. In a preferred embodiment, the dwelling includes a telephone line (31) and a telephone (35) connected thereto. The doorbell response system includes a doorbell button, a transmitter-receiver to the telephone line to enable a person to communicate via the transmitter-receiver through intercom program (22, 32) with the local telephone (35) or the remote telephone (36).