Unified Communications for small business to Enterprise



Business VoIP Phone Systems and More for Dallas-Fort Worth

Office Telesystems carries top brand name business VoIP phone systems and related equipment for Dallas Fort Worth and nationally, including cloud and premise-based VoIP phone systems from NEC, Avaya, Mitel and NetFortris Fonality. We also provide structured cabling, overhead paging systems, audio visual systems and more. See the Request a Quote link above.

VoIP Business Telephone Systems and More Dallas-Fort Worth DFW Area and Nationally

Office Telesystems provides the latest cloud VoIP and premise-based VoIP phone systems, digital telephone systems and more for Dallas, Fort Worth, the DFW area, and enterprise business nationally. With roots going back over 30 years, let our experienced sales and support team assist you with all of your unified communication (UC) needs. We have an expert, certified service team that will get your installation right the first time!

Along with business VoIP telephone systems, Office Telesystems also provides structured voice, data, video and fiber cabling, overhead paging systems, audio visual systems, call management software, call recording solutions, system relocations, system repair, maintenance agreements and more, installed by our expert technicians. We've also included new (UC) products and services, to include IT network equipment and 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 unified communications, UCaaS, premise based VoIP applications, CCaas, and collaboration, with tier 3 support that is second to none!

We provide expert 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, such as the Avaya IP Office, Mitel, cloud VoIP phone systems from Netfortris/Fonality, and more! See our Products page for more information on specific product lines.

Cloud VoIP phone systems (also known as hosted VoIP or cloud PBX) from Netfortris/Fonality are business-grade cloud VoIP design, not just a mail order VoIP product you have to install on your network. Specialized applications for all phone system designs include industries such as medical and assisted living facilities, manufacturing facilities, hotel/motel and call center phone systems, including CCaaS. IT network and other equipment includes wireless applications, IT support, VoIP applications, audio visual systems, network switches and other specific network products and services. See our Industries page for just a few of the industries we service.

Still have that 7+ year old PBX phone system in your office? Used and refurbished business phone systems services include support for Samsung, Avaya, AT&T and Lucent Partner, Nortel Norstar, Nortel BCM, Avaya/Nortel Option 11, 21, 61, 81, CS1000, Vodavi, WIN, and other major manufacturers. Overhead paging systems are also one of our specialty applications for manufacturing and distribution facilities, schools and office spaces large and small.

We handle VoIP phone systems and related equipment from 3-30,000 endpoints or more in single and multi-office implementations in premise-based VoIP system or cloud phone system design. Nationwide services are available. Our experienced, certified 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 software, call recording systems, on hold marketing products, and more!

As seasoned experts in the industry, 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, expert implementation and support of our customers' product choice.

When it comes to telephone system options, some companies offer only one or two 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 just for telephone systems, this philosophy also applies to all products and services we offer.

We are positioned to provide a complete unified communications, UCaaS or premise based VoIP solution for small business to enterprise business in Dallas, Fort Worth, and the DFW metroplex, with regional and national services available. And to compliment your investment we can provide a collaboration of products and services designed to compliment your initial product choice.

Office Telesystems continually evaluates our product lines to offer you the most comprehensive 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, with a certified, expert team of technicians to ensure your equipment is installed for maximum benefit for your business.

Maintenance agreements for phone systems, overhead paging, audio visual and IT networks represent a flexible, defined warranty period on equipment and service are also available. Our technicians are certified on the major brands we sell, resolving issues thoroughly and quickly, costing you less overall for service and installation.

Let Office Telesystems handle all of your unified communications and voice technology needs. For VoIP telephone systems and more in Dallas County and Dallas area suburbs, call (972) 484-4900. For Fort Worth area VoIP telephone systems and other products and services, call (817) 529-1700. For nationwide services, call (844) 544-4900 toll free. We've recently moved into a new, larger facility with quick access to anywhere in the DFW area!

You can learn more about our products and the services we offer at our Products page, System Design page or our Blog page.

Service and Support, Maintenance Agreements for Dallas-Fort Worth, DFW

Office Telesystems offers service, support and maintenance agreements on cloud and premise based VoIP phone systems and all of our related products for Dallas-Fort Worth and nationally. This includes overhead paging systems, audio visual systems and more. Request a Quote here.

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We Specialize in Many Different Industries

Office Telesystems has serviced clients in many different industries, including: medical, assisted living, hotel and motel, manufacturing and distribution, real estate industry, and more! See our Industries page.


Read Our Great Client Testimonials

Read Office Telesystems client testimonials about our phone system installations, cabling, audio visual, overhead paging, service and support. Be sure to Google us for more testimonials.

Kari’s Law and Ray Baum’s Act – Act Now

Kari's Law compliance is now a federal law, Ray Baum's Act to take effect soon. Act now!

Is your phone system in compliance with Kari's Law? It is now a federal law for new multi-line telephone systems 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. Signed into law in 2018, the law went into effect on February 16, 2020.

Ray Baum's Act requires outbound caller ID on new phone systems to provide the address, floor, room, or suite number for 911 calls. Those affected by Ray Baum's Act include enterprise companies, multi-office companies, campuses for schools and universities, hospitals, hotels, retail, financial, and large warehouses.

We can help. Contact our office today and get compliant if you are not! Act now! All new phone system installations by Office Telesystems include Kari's Law compliance and Ray Baum's
Act compliance.