Sound Powered Communications (SPC) is a leading manufacturer of sound powered telephones for industrial plants across the United States, as well as visitation telephones for the corrections market under the brand name VisitPhone.
With their sound powered telephones widely used in industrial plants nationwide and their System 500 visitation phone system installed in over 500 correctional facilities in the U.S. and Canada, SPC has established itself as a trusted provider of reliable communication solutions.
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