What are the opening hours?

Monday 8am - 4:30pm Tuesday 8am - 4:30pm Wednesday 8am - 4:30pm Thursday 8am - 4:30pm Friday 8am - 4:30pm

Commercial Telephone Systems

Name: Commercial Telephone Systems
Address: 100 Regency Centre, Collinsville, IL, 62040, US
Telephone: +18884523550
Price range: $$

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United States
Collinsville, IL
Commercial Telephone Systems

Avaya and ESI Business Partner

Commercial Technology Solutions Service is the motivating factor in our business. Stability

Since 1974 our name has not changed.

Service

For over 40 years, Commercial Telephone Systems has been providing communications solutions and services to businesses in Missouri, Illinois and throughout the United States. During that time CTS has satisfied thousands of customers by meeting their specific needs one customer at a time. CTS will respond to major problems within two hours and minor issues usually that same day. Our technicians are exceptionally well qualified and friendly. We take pride in giving you the prompt attention you deserve and should expect from your communications source. Solutions

We pledge that our sales staff will listen carefully to your needs and propose a solution customized to your business. As an independent dealer of data and telecommunications equipment CTS is able to provide the best solutions for your business requirements. Your communications solution will adapt to new technology and keep your business ahead of the curve. CTS can typically implement small solutions within days of your approval and larger solutions often within a couple of weeks. Our focus has been clear. That kind of constant presence is rare in the communications world. When you establish your relationship with CTS you can have peace of mind that the next time you need us you will find us to be just as available and accommodating as the first time.

10/21/2026

CTS is a locally owned and operated enterprise. Whenever you require assistance or seek answers to inquiries, you can be assured that your communication will be with a local representative. Situated in Collinsville, Illinois, we are dedicated to providing our services to the surrounding areas of Illinois and Missouri.

www.ctsphone.com 888-452-3550

10/20/2026

A power outage can happen at anytime. Protect your equipment and data by installing a UPS. Contact us for a quote on one of our many options.

888-452-3550 www.ctsphone.com

10/19/2026

Regardless of whether you are a long-standing client or a newcomer to CTS, you can expect us to pay attention and present the most suitable solutions for your business. Whether it’s setting up a new telephone system or laying out fresh cabling, your happiness is our top focus. Reach out to us today at 888-452-3550 or check our website at www.ctsphone.com.

10/16/2026

October 16th is National Boss's Day! If you have a great boss, give them a shout out today!

10/15/2026

Thank you Granite City School District!

10/13/2026

Contact Commercial Technology Solutions for all of your communication needs. Ready to move to the CLOUD? We can do that! Need your networking updated? We can do that! Need CAT6, Fiber, or Coax ran? We can do that too!

888-452-3550 www.ctsphone.com

10/09/2026

Take a moment to thank a Fire Fighter, check your extinguishers & smoke alarms. And teach your children about Fire Safety!

Have a great weekend!

10/08/2026

Call to speak to one of our knowledgeable sales team members for a free quote. www.ctsphone.com 888-452-3550

10/06/2026

No matter the size of the job, our reliable & professional sales team and technicians will work together to give you the install you need.

www.ctsphone.com 888-452-3550

10/05/2026

Modernize your communications with an updated system. Installed by a local reliable company! www.ctsphone.com 888-452-3550

Address

100 Regency Centre
Collinsville, IL
62040

Opening Hours

Monday	8am - 4:30pm
Tuesday	8am - 4:30pm
Wednesday	8am - 4:30pm
Thursday	8am - 4:30pm
Friday	8am - 4:30pm

Telephone

+18884523550

Website

http://www.ctsphone.com/

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