"Over 3,000 Businesses Have Trusted CSI Telecommunications, Inc. To Provide Cost Effective Communication Solutions In St. Louis Region For Over 45 Years”

Telephone Systems

CSI Telecommunications, Inc. believes that your company's communication system is the link to the world. Nothing is more important than a voice communication system that helps you manage your business effectively and efficiently. At CSI, we excel in providing voice communications systems to businesses of all sizes that offers the flexibility to meet today's needs and adapt to tomorrow's challenges.

CSI Telecommunications, Inc. is one of the largest authorized and trained phone system vendors in the St. Louis area, offering the most reliable telephone systems in the market, from Cloud VOIP solutions to on premise based IP Phone System solutions. 


5 Things you must know before buying your next telephone system

1. HOW LONG HAS THE COMPANY BEEN IN BUSINESS? CSI have been serving the St. Louis area for over 45 years; we believe experience matters. With a dedicated staff of salespeople and technicians, we are able to simplify and resolve your telecommunication issues.

2. HOW MANY DIFFERENT PRODUCTS OR SERVICES IS THE COMPANY SELLING? CSI is an official designated authorized dealer for for ESI eSIP Evolution Series Phone Systems and CSI is a FCC certified CSI VOIP CLOUD Phone System Service Provider.  CSI is also FCC certified SIP Trunk digital phone line service provider.  We feel by offering both Cloud and Premise Based Phone System Solutions we can better serve our customers specific needs with the latest updates to their existing or potential new phone system.

3. WHAT IS THE EXPERIENCE LEVEL OF THE STAFF? Our Technicians have years of experience installing communication systems and are factory certified by the manufacturers we represent, as well as our sales staff. We think our salespeople should be able to work with their customers after the sale to resolve any technical difficulties or questions that may arise regarding their phone system.

4. IS THE PRODUCT PRESENTED NATIONALLY RECOGNIZED IN THE INDUSTRY? Both Iwatsu and Panasonic are recognized nationally and have been in the telecommunications field for many years backing up their quality products. Visit their sites Iwatsu and PANASONIC to view their history and their products.

5. WHAT HAPPENS AFTER THE SALE? We want to keep our customers satisfied. From our emergency response to answering everyday questions, our goal is to keep the customer happy and informed. Ask for a referral list of our long-term customers.

If your company is in the market for a new system or in need of a reliable company to perform your occasional service needs, please contact us, as we are eager to earn your business. For additional information please call us at (636) 534-6600 or simply send in the following information and someone will be in contact with you.

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Telecommunications Services

Are you looking for reliable service/repair company for your current telephone equipment?
We have a team of experienced technicians that are capable of service & repair for most major brands of telephone systems. Click Here to Request a Service Technician or Call Us Today at 636-534-6600.

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