Paging system that allows caller/subscriber interconnection

PBX security system for monitoring security guard tours

Personal alarm system providing handsfree operation

Personal checkup service and equipment

Personal emergency response communications system

Phone activated emergency signaling system

Phone-activated emergency visual signaling system with low power

Pooling numbers for E911 calls from unnamed endpoints

Portable fire detection system

Power management system for a plurality of at least...

Priority based methods and apparatus for transmitting...

Priority based methods and apparatus for transmitting...

Private notification system for communicating 9-1-1 information

Procedure and system for ensuring emergency communication

Procedure and system for executing an alarm function

Programmable emergency communication system including automatic

Programmable monitoring system and method

Providing emergency data

Providing private network information during emergency calls

Provisioning of emergency services in a voice-over-packet...