CALL 972.484.4900
972.484.4900 (DALLAS) 
817.529.1700 (FT. WORTH)


Business VoIP Phone Systems and More

Office Telesystems carries top brand name business phone systems and related equipment, including cloud and premise based VoIP phone systems, digital phone systems, cabling and more... [Read More...]

Service, Support, Maintenance Agreements

Office Telesystems offers service, support and maintenance agreements on phone systems and related products. This includes our cloud and premise VoIP phone systems, audio visual [Read More...]

We Specialize in Many Different Industries

Office Telesystems has serviced clients in many different industries, including: medical, assisted living, hotel and motel, insurance companies, real estate industry and more! [Read More...]

Read Our Great Client Testimonials

Read Office Telesystems client testimonials about our telephone system installations, service and support, including new system installations and more. Be sure to Google us for more.. [Read More...]

 VoIP Telephone Systems for Business and More | Dallas Fort Worth DFW area Nationally

Office Telesystems provides the latest cloud and premise based VoIP, digital telephone systems and more for Dallas, Fort Worth and the DFW area and enterprise business nationally! Along with business telephone systems, Office Telesystems also provides structured voice/data/video cabling and fiberaudio visual systemsoverhead paging systemscall management softwarecall recording solutionssystem relocationssystem repairmaintenance agreements, VoIP Cameras, network equipment and IT support. According to UC Today, the global market for Unified Communications is expected to hit a value of 57 billion by 2024! Let Office Telesystems take your business into this new era of communications and collaboration.
We provide 
installation and service on all products we offer. VoIP and digital phone system product lines include NEC (including the NEC SV9100 Hybrid VoIP phone system and NEC SL2100!!), Avaya IP Office,
Mitelcloud phone systems from Netfortris Fonality and more!
With company roots going back over 30 years now, we understand that customer service and support is even more important than just the right product. When it comes to a new VoIP phone system or any product we carry, the right product that solves our customers' problem is expected. Service and support after the investment are our customers' major concerns. Our goal is to provide every customer prompt, courteous and professional service along with efficient implementation and support of our customers' product choice. When it comes to phone systems options, some companies offer only 1 or 2 choices, trying to fit a square peg in a round hole so to speak. At Office Telesystems we offer multiple brand and design options, with flexibility, customization and choice for your specific business needs. And not only for just phone systems, this philosophy applies to all products and services we offer. 

We are positioned to offer a complete unified communications solution for small businesses to large enterprise business in Dallas, Fort Worth and the DFW metroplex, with regional and national services available.  
Office Telesystems continually evaluates our product lines to offer you the very best voice, network and video solutions for your business. Our product lines are carefully chosen to provide the latest technology, reliability, ease of use and return on your investment.

Cloud VoIP phone systems (also known as Hosted VoIP) from Netfortris/Fonality are business grade cloud VoIP design. Specialized applications include hotel/motel solutions, medical and assisted living facilities and call center phone systems as well. Network equipment includes wireless applications, IT support, VoIP applications, audio visual systems, network switches and other specific network products and services. Still have that 7+ year old PBX phone system in your office? Used and refurbished business phone systems and service offered include Samsung, Avaya/NortelAT&T and Lucent Partner, Nortel BCM, Avaya/Nortel Option 11, 21, 61, 81, CS1000VodaviWIN and other major manufacturers.
We handle phone systems and related equipment from 3-30,000 endpoints or more in single and multi-office implementations and in premise based VoIP system or cloud phone system design. Nationwide services are available. Our sales staff is trained to evaluate your business model and find the appropriate equipment and services to maximize productivity and profitability for your business. Check out our Products page for a long list of other unified communications products we carry, such as 
Call Management SoftwareCall Recording systemsOn Hold Marketing products and more! Maintenance agreements representing a flexible, defined warranty period on equipment and service are also available. Installations, service and repairs are completed by our expert technical staff. Our technicians are certified on the major brands we sell, resolving issues quickly the first time, costing you less for service and installation. Let Office Telesystems handle all of your unified communications and voice technology needs. For telephone systems and more in Dallas county and Dallas area suburbs call (972) 484-4900. For Fort Worth area telephone systems and other products and services call (817) 529-1700. Services provided nationally as well! We've recently moved into a new, larger facility with quick access to anywhere in the DFW area!

You can learn more on products and services we offer at our Blog Page.



Kari's Law Compliance is Now a Federal Law, Must Be Compliant by 2/16/2020!

Is your phone system in compliance with Kari's Law? It is now a federal law for your multi-line telephone system to support this dialing feature. Kari's Law requires direct access to 9-1-1 service without the user having to first dial an initial number, digit, prefix or other access number or code before dialing 9-1-1.
Learn more about 
Kari's Law here. We can help. Contact our office today and get compliant if you are not! Signed into law in 2018, the law goes into effect on February 16, 2020. Act now!  All new phone system installations since 2016 by Office Telesystems include Kari's Law compliance.

Office Telesystems is growing! Check out positions available at our Careers page. 

See our Blog Page

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