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

Mastor

Tech that works for your business — not the other way around.

Since 1991 Mastor has been helping businesses communicate better and stay more secure with smart solutions like VoIP phone systems, video surveillance, structured cabling, & more. Sales, Service, and Support for Business Telephone Systems, Cloud PBX Systems video surveillance equipment, overhead speakers and paging equipment, business WiFi, and structured voice and data cabling.

10/19/2026

Choosing the right hardware for your cloud service shouldn't be a guessing game. Incompatible phones and unassisted website orders can easily derail a system deployment. Let our team guide you to the right cloud solutions and compatible devices from day one. Read our latest blog to clear up the confusion around SIP vs. VoIP phones.

Every SIP phone is a VoIP phone, but not the reverse. Learn the SIP phone vs VoIP phone difference and why it affects cost.

09/21/2026

We had a great time at one of our favorite annual events last Monday. Every Childs Hope is an incredible organization helping at risk children in our community. We have been proud to have them as a client for many years. And we always have fun slinging margarita's on the golf course at their annual golf tourney raising funds to support their mission. Great weather, great people, and a great all around event, all for the ECH kids!!

09/17/2026

How long does it really take to set up VoIP? 📞
For most small businesses, a basic VoIP setup can be up and running in 1–3 weeks—but the timeline can vary depending on the size and complexity of the project.
Number porting, network readiness, multiple locations, custom call flows, integrations, and hardware requirements can all impact the schedule.
Our latest blog breaks down what businesses should realistically expect when making the move to VoIP—and how proper planning can help make the transition smoother.
👉 Read the full blog here: https://mastor.com/how-long-does-voip-setup-take-a-realistic-timeline-for-your-business/

07/13/2026

Still relying on traditional landlines for your business? It may be costing you more than you think.

Our latest blog breaks down the real cost comparison between VoIP and landlines, including upfront expenses, ongoing costs, scalability, and the hidden factors that impact your bottom line. If you're evaluating your business communications strategy, this is a must-read.

Read the full article: https://mastor.com/the-real-voip-vs-landline-cost-comparison-for-business/

Find out what VoIP vs. landline phone service really costs for businesses. Compare monthly rates, hardware, maintenance, and long distance with a real 20-seat example.

07/02/2026

Our team is looking forward to celebrating the birth of our nation with an extended weekend. But, as always, you can count on us to be available if you require emergency service. We will be closed for normal business on Friday, July 3rd, and return to normal operations on Monday, July 6th. If you need emergency service please call 314-997-9000 and follow the emergency service instructions. Enjoy the celebrations with family and friends!!

06/15/2026

Interested in adding video surveillance for your business? Check out our latest blog and give us a call at 314-997-9007 for help!

Learn how to determine the right number of security cameras for your business — coverage-first planning, camera counts by business type, and AI system advantages.

05/19/2026

Planning an office move, renovation, or expansion? Our latest blog explores why planning office network cabling early can help avoid costly changes, reduce downtime, and create a stronger foundation for future growth. Read the full blog here: https://mastor.com/why-office-network-cabling-is-worth-planning-early/

At Mastor, we provide complete communication infrastructure solutions including structured voice & data cabling, cloud/hosted systems, on-premise phone systems, softphones, and more to help businesses stay connected and prepared for growth.

Planning an office network cabling installation? Learn what the process involves, which cable type to choose, and the mistakes that cost businesses the most.

05/05/2026

Have you heard the term softphone but aren’t sure if it’s right for your business? Our latest blog breaks it all down—how it works and why more companies are making the switch.
👉 Read the full blog here: https://mastor.com/what-is-a-softphone-and-should-your-business-use-one/
At Mastor, we offer multiple communication options that include softphones—designed to fit your business needs.
Whether you're looking to modernize your communications or improve mobility for your team, we can help you find the right fit.

A softphone lets your team make business calls from any device, anywhere. Learn how it compares to a desk phone and whether your business should make the switch.

Address

123 Weldon Parkway
St. Louis, MO
63043

Opening Hours

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

Website

http://www.mastor.com/

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