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Re: sound systems
The automatic notification system is designed to deliver messages quickly and efficiently to designated persons in charge of emergency and rescue operations or to persons who may be threatened by such an emergency https://www.atisystems.com/ . The messages used can be voice messages sent over a public or cell phone network, or text messages sent in the form of SMS or e-mail messages (e-mail). You can learn more at this site
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2 posts
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