911 emergency voice/data telecommunication network
Alarm system with interconnected alarm terminals
Automatic call distribution system with emergency recording syst
Communication lines with terminate and leave capability-DC alarm
Enhanced telephony system for premises monitoring
Group emergency call system
Method and apparatus for disseminating emergency warning...
Method and apparatus for making an emergency call while on-line
Method of identifying a location of a source of an emergency...
Monitoring and communication system for stationary and...
PBX security system for monitoring security guard tours
Real-time incident and response information messaging INA...
Subscriber control unit for united home security system
System for the automatic notification that a 9-1-1 call has occu
United home security system