Results may or may not be verified for accuracy by the online monitoring service.

Nearly a year later, some Baltimore residents who purchased the units still have no connection to any monitoring service.

However, only around half of these provide any useful information, according to an analysis by Company Reporting, an industrial monitoring service.

The base handset is connected to police or a monitoring service.

A government spoof of a commercial for a credit monitoring service warns that such ads are misleading.

In addition to the system itself, security alarms are often coupled with a monitoring service.

The signal from the cab provides an alert of trouble and the cab's current position to a monitoring service.

He said a monitoring service found that the newsgroup had 14,000 occasional readers.

The system lets out a 105-decibel siren and calls a monitoring service.

The monitoring service charges a monthly fee of $20, after a $25 activation charge.