Notification of 911 telephone calls is provided to a telephone numbers listed on a pre-provided list of the telephone numbers without intrusion on the existing 911 infrastructure using the out-of-band SS7 signaling infrastructure. A link monitoring system (LMS) monitors SS7 messages to determine whether...http://www.google.es/patents/US6427001?utm_source=gb-gplus-sharePatente US6427001 - System and method for notification of 911 telephone calls using a link monitoring system
System and method for notification of 911 telephone calls using a link ...
