A friendly caller program is a program in which a 9-1-1 dispatch center regularly calls local

older people Old age refers to ages nearing or surpassing the life expectancy of human beings, and is thus the end of the human life cycle. Terms and euphemisms for people at this age include old people, the elderly (worldwide usage), OAPs (British usage ...

and

persons with disabilities Disability is the experience of any condition that makes it more difficult for a person to do certain activities or have equitable access within a given society. Disabilities may be cognitive, developmental, intellectual, mental, physical, ...

to check on their welfare. If the callers do not call in or answer calls, emergency responders go to their homes.Maine County Watches Out For Citizens Confined To Their Homes
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References

Emergency communication Emergency population warning systems Telecommunications in Canada Telecommunications in the United States {{telecommunications-stub