Our Company


PrimeVoice has been in business since 2005 - Gphone since 1995. We manage over ten thousand corporate phone systems in 45 states throughout the United States comprised of over 500,000 active endpoints.
•    We provide international phone card services to over 30,000 corporate and individual accounts and over 2.5 million international accounts
•    Our customers are located in over 130 countries throughout the world. We have points of presence in 113 countries comprised of individuals, businesses, government, and military organizations.
•    Gphone has received several prestigious awards. They include the Deloitte Touche Fast 50, the Washington Technology Fast 50 Award, and the Independent Agent Network Circle of Excellence Award.

Gphone operates owned not shared, TDM and VoIP-based voice switches from world-class manufacturers. The switches are known as Broadsoft and NetSapiens. We maintain business relationships with many of the world’s largest carriers including, Level(3), AT&T, CenturyLink, TATA, iBasis, and Verizon to provide the underlying network. We guarantee you will be provided high-quality and innovative international telecommunications market services. We have a reputation for building and maintaining relationships with our partners and customers. We have the resources to supply a creative approach to enabling technology. Most importantly, we have always offered outstanding customer service at competitive rates.
We are debt free, privately owned located in VA. All support staff is USA based. We are a rapidly growing business and have been in business since 1995.

Leadership Team

Mark Davis

PrimeVoice Founder

Mark is the founder of PrimeVoice. He retired from AT&T as the only DMTS to have won the coveted “Chairman’s Quality Award” based on the Malcolm Baldrige Quality criterion. He won this award during his stewardship of the domestic SS7 network. Mark was accountable for over 12 major office conversions culminating in the nationwide deployment of number portability. After retirement Mark took over the Technical Leadership of Chariton Valley Telephone Company where he lead the implementation of a Gig-E optical ring serving 7 towns with fiber optics to the home enabling a full VOIP deployment. Moving to Virginia, Mark headed the VoIP business for GlobalPhone and was responsible for 500,000 VoIP customers worldwide. Mark joined GlobalPhone in 2007 and lives in Gainesville VA with his wife. 

"Quality is never an accident but a wise choice of many alternatives. I believe in continual process improvement as foundational in making that wise choice." 

Stephen McCarthy

President GlobalPhone

Steve is a principal and co-founder of GlobalPhone. Steve has over 25 years of experience in the systems integration and telecommunications industries. He has worked for TRT Telecommunications, Raytheon Data Systems, Oracle Complex Systems and Federal Data Corporation in operations and new business development. Steve earned a BBA in Finance and an MBA in Information Systems from the George Washington University.

"Our customers come first and our growth is based on world class service."

Guy Jazynka

Chief Operating Officer GlobalPhone

Guy is a co-founder and principal of GlobalPhone, and has spent a lifetime in the international arena. As an American growing up outside the United States, Guy identified the need for cost-effective international calling services from first-hand experience while working in the import/export industry for over 10 years. Guy earned a BS in Political Science from West Chester University.

"Innovation is the only way to move our world forward and we have implemented this philosophy in a truly world class phone company."