Solutions for voice over internet protocol (VoIP) 911...

Supplemental data transmission system for a parallel, direct com

Switch bypass for a public safety calling system

Switch proxy for providing emergency stand-alone service in...

System and apparatus for providing telephone communication...

System and method for accessing personal information...

System and method for automatic location identification...

System and method for handling special number calls using...

System and method for location identification

System and method for notification of 911 telephone calls...

System and method for providing a map image supplemental to...

System and method for providing the precise location of a...

System and method for supporting multiple call centers

Systems and methods for processing emergency calls through a...

Systems and methods for providing 9-1-1 services to nomadic...

Systems and methods for providing emergency contact services

Systems and methods for providing location...

Systems and methods for providing location...

Systems and methods for routing emergency communications