School Intercom Repair and Sound Services

We specialize in School Intercom Repair, Installation, and Upgrade  

Bogen-Dukane-Rauland Simplex Telecor-Teradon-Valcom-Toa

Intercom Services

Switch Bank Intercoms


Bogen - Dukane - Rauland 

Telecor - Teradon - Deltacom 

Sales, Installation, Design, Preventative Maintenance, Bench Repair, Technical Assistance and Service Calls.

Administrative Intercoms


Bogen - Dukane - Rauland - Telecor - Teradon - Valcom - Toa - Simplex 

Preventative Maintenance, Bench Repair, Technical Assistance and Service Calls. Intercom repair, Intercom service Intercom system installation.

Modular Based IP Intercoms


SIS Intercom System 

Sales, Service, Design, Installation, 

Training and Maintenance.

Bogen Quantum

Technical Assistance, Installation and Service calls


Technical Experience


We are well-versed in a variety of operating systems: Terracom, Bogen, Dukane, Rauland, Toa, Telecor, Primex, Deltacom, Teradon, Valcom, Simplex, and 

Switch Bank Intercom Systems.

Stay Connected


We offer Sales, Service, System Design, Training, Preventive Maintenance, Infrastructure Planning, Installation and Project Management of your Intercom, Video, and Pro Audio Sound needs. We have certified Technicians on staff to install a "Turn Key" solution. Our industry knowledge and experience allow us to accomplish even the most challenging objectives.

About SIS


The world of technology can be fast paced and scary. Our goal is to provide an experience that is tailored to your company's needs and budget. Our founder, Poley Barcenez, started his career in The United States Air Force. Over the course of 30 years, Poley has worked for numerous companies in the San Antonio area. In 1988, Poley founded School Intercom Services (SIS). He has established a customer base of over 80 school districts locally and more than 1200 schools and businesses Nationwide.

Contact Us

For Questions or Quotes:

School Intercom and Sound Services

San Antonio, Texas

(210) 273-0993


Normal Business Hours

Monday - Friday: 8am - 4pm