Wiring Systems Plus, Logo

(877) 779-WIRE

"Wiring Systems Plus is a business you can trust with your telecommunication needs. Sales and Service are just a call or email away"

Innovative Telecommunications Solutions

Effectively interact and communicate with your clientele, associates, and other key people with solution oriented telephone systems or services from Avaya. Whether you are interested in a new system, or expanding your existing system, or you simply need to move some people around, we have the support, knowledge, and solutions you need to keep your business connected.


Make your business run more efficiently with our high-tech phone accessories. Designed to keep your business ahead, we offer everything from call accounting products to paging systems to headsets. For your convenience, we can install and program all of our products to meet your needs.


Ensure that your phone system is optimally configured and programmed for your business with our support services.
CALL (877) 779-WIRE

About Us

Wiring Systems Plus is a Fullerton, California-based business that provides customer-specific sales, installation, and consultation services.
We serve commercial businesses in Southern California and draw upon more than 35 years of experience.
Our team is made of knowledgeable technicians who are honest, reliable, and straightforward.

The president of our company begin his carreer as a service technician with AT&T in 1980.
He left AT&T at the end of 1989 to begin Wiring Systems Plus. Since then, we have provided service to more than 2000 customers.

An Authorized Avaya Business Partner

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Thank you for your interest. For questions or comments, please use the information listed here. We look forward to hearing from you soon.

(877) 779-WIRE

Hours of Operation
Monday - Friday: 8:30 a.m. - 5:00 p.m.
Emergency Services Available 24/7

Service Area
Serving Southern California