Wireless calling system can be applied to restaurants, coffee shops, karaoke rooms, discos, sauna rooms, beer houses, pubs, night clubs, bowling alleys, golf courses, video halls, hotels, hospitals, schools, chain stores ,shops…Different kinds of systems have existed to offer communication between customers and waiters, patients and nurses… More Details: http://www.ourautomation.com/wireless-calling-system-c-486.html
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