Patent ID: 7096001

Claim:
A combination telephone set and security system control device comprising: a. first interface means for interfacing the control device with a security system bus adapted to interconnect with a control panel and a plurality of alarm sensors; b. second interface means for interfacing the control device with a telephone network; c. user interface means comprising: i. input means for providing user control information to the control device; said input means comprising means for a user to switch the control device between a telephone mode and a security system mode; ii. output means for providing status data to a user regarding operation of the control device; iii. said user interface means also adapted to enable a user to communicate over the telephone network when the control device is in the telephone mode; and d. processing means for controlling operation of the control device, the processing means adapted to: i. switch between a telephone mode and a security system mode on receipt of a user command from the input means; ii. when the control device is in the telephone mode, send and receive telephony information between the user interface means and the second interface means; and iii. when the control device is in the security system mode, send and receive security system information between the user interface means and the first interface means.