Business Phone Systems

See the source imagePhone Systems Sales & Installation | Franklin, Nashville, Knoxville

4T9EXKRacDigital, hybrid, VoIP, & hosted phone systems

Additions, moves, & changes4T9EXKRac

4T9EXKRacHosted voice solutions

A phone system can provide tremendous benefits for your small business or enterprise: enhancing credibility, adding key features, providing scalability for the future, and saving money.

Whether you’re looking for a new telecom vendor or shopping business phone systems, our team will listen to your needs and provide a solution that works best for you. We don’t just represent one phone equipment brand, and we don’t just recommend one type of phone system.

Is a hosted/cloud phone system right solution for your business?

Through the years we’ve built strategic partnerships with the leading names in telecommunications, and we can help you understand which is best for your business.

To find out how we can provide the best business phone system for your Nashville business, give us a call at (615) 656-1343, or fill out the form to the right.

Read what others had to say about One Call

Phone Systems Repairs & Maintenance

4T9EXKRacBusiness phone systems expansion or relocation

4T9EXKRacDMARC extension

4T9EXKRacDiagnostics and cut-overs 

4T9EXKRacSystem service takeover

business phone system maintenance

If your business relies on your telephone system and service to be up an running at all times, your old phone equipment may put you in a difficult spot at some point. The average life span of a business phone system is around 7 years. If your phone system falls into this range, you probably have noticed a number of performance issues, intermittent phone and voicemail problems and a variety of voice quality and clarity issues.

No matter the job, at One Call Technology we make service a priority. Our technicians are qualified to service most major, and many secondary, brand systems. We have made substantial investments in our the training and development of our technicians for one reason: to keep you satisfied.

Looking to add or relocate stations? Moving offices entirely? One Call offers flexible scheduling, and prompt, professional technicians who will assist with your specific phone system needs. Our experienced team of technicians specializes in pre and post construction wiring and cable installation.

We serve all of Nashville, Brentwood, Franklin, and beyond, as well as Knoxville and East Tennessee. So call today to get your business phone system up to speed and keep it running smoothly.

Our Phone Systems Partners:


allworx phone systems

Allworx produced its first VOiP communication system in 2003. Today, their 3rd generation of VOiP systems serve more than 30,000 customers across diverse industries ranging from professional services, retail, hospitals, government agencies to school districts.

One Call has partnered with Allworx to offer business phone systems loaded with advanced VOiP features right out of the box, including: simple, secure web administration, seven presence settings, voicemail to email, unlimited call routes, auto attendant, and remote IP phone support.

Allworx Family of Products | Allworx Connect

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ESI_b&wSince 1987 Estech Systems Inc (ESI) has produced leading edge digital and IP business communication systems. ESI is highly regarded for supporting unique, real-world applications with practical and effective features for small business phone systems as well as enterprise solutions.

ESI combines today’s phone system products with a clear vision of the future.  As ESI’s Certified Reseller for Nashville, Middle Tennessee, and East Tennessee, One Call Tech and ESI are prepared to grow with your business.

ESI’s flagship cloud PBX solution, the ePhone7, offers a smartphone interface for desktop. It boasts a 7″ color touchscreen display, easy access to business/personal contacts, co-worker presence visibility, one-touch recordings, and more. Ideal for Nashville’s managers and executives, the ePhone7 requires virtually no setup.

The ePhone7’s predecessor, the ePhone4, offers a 4″ touchscreen, 36 programmable feature keys, and crisp clear sound on its high definition audio handset. ESI also offers a variety of on-premises business phones. One Call’s team of experts can help you navigate all your options.

ESI Communications Servers | ESI’s IP Server 900 | ESI-50 Communications Server | ESI-50L Communications Server | ESI-100 Communications Server | ESI-200 Communications Server | ESI Cloud PBX

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icon logo

ICON Voice Networks is an Irving, Texas-based solution provider and master distributor. ICON is a leading provider of highly reliable communication systems and applications from both Iwatsu and Alcatel-Lucent. They specialize in voice, video, mobility, monitoring and alerting.

As an Authorized Reseller of Icon phone systems, One Call Technology serves as a Nashville distributor of IP-PBXs, unified communications systems, hosted voice services, network switching and routing and wireless LAN technology.

ICON Voice Networks offers phone systems for small, medium, and enterprise level businesses, including IP and PBX.

Iwatsu Icon Series | Iwatsu Voice Networks | Iwatsu Enterprise Suite | Alcatel-Lucent Open Touch Suite for Small Business