
Crises Control PING
5.9#21 in mass notification softwareAndroidiOSWebWindows
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PING may suit organizations that need to send targeted operational or emergency alerts and track acknowledgements. It also supports public alerts for customers, residents, visitors, contractors, and communities.
Open Paging Server is aimed at small to medium enterprises familiar with system administration that want to run paging and notifications on existing VoIP infrastructure. It is not suited to production use while the maker says it remains in beta.