Reliable, Modern & Scalable

All-in-One Business Communication Solutions

We help small and medium-sized businesses stay connected with seamless, cloud-based VoIP, UCaaS, and telecom solutions. Dependable service, no hidden fees, and free activation.

Simplify Your Business Tools

Connect Seamlessly with Unified Communications

Bundle voice, fax, texting, and video into one powerful UCaaS platform. Our unified communications solution keeps your team connected anywhere, anytime.

Cloud-based system for all communication
Integrated messaging, faxing, and meetings
Easy scalability for business
24/7 local support included

Explore UCaaS Plans

Clear, Reliable Voice Solutions

Streamline Calls with VoIP Technology

Cut costs and boost reliability with professional VoIP service. Enjoy high-quality calling, voicemail-to-email, and smart routing features for modern teams.

Crisp audio and uptime reliability
Call routing and voicemail-to-email
Lower monthly costs than landlines
Easy setup and device compatibility

Get VoIP Service

Upgrade Without Replacing Hardware

Upgraded Systems with Flexible SIP Trunking

Keep your existing PBX while modernizing with SIP trunks. Scalable, cost-efficient, and built for growing businesses across the Southeast.

No need to replace current systems
Seamless PBX integration
Lower telecom overhead
Expand lines on demand.

Connect SIP Trunks

Secure, Digital Fax Solutions

Send & Receive Faxes from Anywhere

Move beyond paper with online fax services. Fast, secure, and HIPAA-compliant faxing is ideal for healthcare, finance, and legal sectors.

Email or app-based faxing
HIPAA-compliant encryption
No hardware or toner needed
Ideal for regulated industries

Start Digital Faxing

Maximize Network Uptime

Tailored Connectivity & Telecom Management

From broadband to LTE backup, our consulting ensures your systems stay online. Get managed telecom services built for your goals.

Business-grade network design
LTE and fiber redundancy
Telecom billing audits
Proactive monitoring and support

Schedule a Consultation

Dependable Communication, Simplified

Power Reliable Business Communication Solutions in Marietta, GA

Name: PhoneOne
Address: 2520 Robinson Rd NE, Marietta, GA, 30068, US
Telephone: (470) 290-4500

Seamless, scalable, and supported, communication made easy.

At PhoneOne, we deliver reliable business communication solutions in Marietta, GA, and across the Southeastern United States. With over a decade of telecom experience, our UCaaS platform provides VoIP, fax, and connectivity in one secure, cloud-based suite. We stand apart by caring for clients the way we’d want to be treated, with quick responses, no extra charges for programming, and proactive service that anticipates needs. Our team keeps your business connected, efficient, and future-ready.

Free activation on all new plans
No extra fees for programming or support
24/7 responsive customer care
Proven telecom expertise since 2010
Locally owned and operated in Marietta, GA
Scalable solutions for business growth

Get a VoIP Connection

Get Free Activation Today

Ready to Simplify Your Communications?

Partner with PhoneOne, Your Trusted UCaaS Provider

Our goal at PhoneOne is to make your business communication seamless, affordable, and reliable. Whether you’re upgrading to VoIP, modernizing your phone system, or switching to a UCaaS platform, we handle everything, from setup to ongoing support, so you can focus on your business. Our clients choose us because we care deeply about quality service and rapid problem resolution. With over a decade of industry experience, we deliver dependable business communication solutions in Marietta, GA, and throughout the Southeastern United States. Call today to activate your new system with free setup and unmatched support.

Testimonials

What Our Clients Are Saying

Alex Auto Inc

I’m impressed by the quick and clear communication I received, ensuring my phone services were set up smoothly. I highly recommend them for reliable and attentive telephone service that truly goes the extra mile.

Google Reviews

Ben McDowell

From stem to stern, Phone One blew my previous provider out of the water. Big recommend.

Google Reviews

Connie Comer

I had an issue with my email account being hacked and phone one was able to work with Microsoft and get the issue resolved quickly. I totally recommend using Phone One.

Google Reviews

Ben McDowell

Phone One is AWESOME! They were able to save me money on my monthly bill, they got us onboarded within a day, and had us trained within another day! HIGHLY RECOMMEND!

Facebook Reviews