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

Mastor, 123 Weldon Parkway, St. Louis, MO (2026)

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.

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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