Intercom Service and Repair

Stay Connected.

Commercial, Church or School intercom and sound, we keep you connected. We specialize in upgrades, installation, and repair service.

We are here for you.

The world of technology can be fast paced and at times overwhelming. Our goal is to provide an experience tailored to your company's needs and budget.  From Old School intercom switch banks to New IP Intercom Installation. We service all major brands Bogen, Dukane, Telecor, and many more. From consultation and repair, to installation. We are here for you.

Over 30 years of service

Our founder, Poley Barcenez, started his career in The United States Air Force. For Over 30 years, Poley has worked for numerous companies, school districts, and churches in the San Antonio area. Founded in 1988, School Intercom Services (SIS), has established a customer base of over 80 school districts locally and more than 1200 schools and businesses Nationwide.