SIP Trunking
Deploy resilient SIP trunking connections leveraging your existing broadband connection to deliver reliable call routing, flexible capacity, and crystal-clear voice termination across global networks.
Public Telephone Company delivers scalable wholesale VoIP termination solutions engineered for seamless call completion, enterprise-grade clarity, and uncompromising compliance. By combining direct SIP connectivity with robust STIR/SHAKEN protocols, we empower businesses, carriers, and telecom agents worldwide to handle high-volume voice traffic reliably without unexpected maintenance disruptions or costly upfront network equipment investments.

Comprehensive voice termination and cloud telecommunications infrastructure tailored for carriers, high-volume call centers, and expanding enterprise organizations.
Deploy resilient SIP trunking connections leveraging your existing broadband connection to deliver reliable call routing, flexible capacity, and crystal-clear voice termination across global networks.
Modernize your voice ecosystem with cloud-hosted business phone infrastructure, advanced call handling capabilities, wireless extension support, and flexible capacity scaling up to enterprise user volumes.
Connect enterprise CRM platforms and proprietary business software directly to unified telecom networks to streamline automated voice workflows and enhance call processing efficiency.
Public Telephone Company provides enterprise telecommunications backed by interconnected VoIP infrastructure and completed STIR/SHAKEN regulatory filings. Whether servicing tens or hundreds of thousands of users, our architecture eliminates upfront equipment costs while preserving pristine voice quality. Backed by around-the-clock technical support, our flexible networks ensure your outbound and inbound voice traffic terminates smoothly across all carrier routes.

Discover how businesses and public organizations maintain dependable telecommunications through our scalable cloud-hosted voice network.
Experience carrier-grade infrastructure backed by decades of telecom innovation and regulatory diligence.
Our dedicated technicians deliver continuous around-the-clock technical assistance for all voice systems.
Avoid prohibitive capital expenditures with our turnkey cloud-hosted telecom delivery model.
Seamlessly expand voice capacity from single-line operations up to 100,000+ simultaneous users.
Full FCC interconnected VoIP registration combined with implemented STIR/SHAKEN call authentication protocols.
Decades of dedicated telecommunications and network engineering experience.

Chairman
Nathan Kirk serves as Chairman of Public Telephone Company, a telecommunications and interconnected VoIP provider headquartered in Oviedo, Florida. With the company's roots dating back to 1999, Nathan has helped guide its evolution into a trusted provider of cloud-hosted phone systems, unified communications, PBX, and SIP trunking solutions for businesses across the globe. In his leadership role, he focuses on strategic direction and long-term growth, ensuring the company continues to deliver affordable, scalable telecom solutions without compromising on quality or compliance. Nathan is committed to maintaining Public Telephone Company's reputation for reliability, innovation, and world-class customer service, supporting businesses ranging from call centers to healthcare organizations with communication systems built to grow alongside them.

Chief Executive / Registered Agent / Officer-Director
Darrell Lopez holds the roles of Chief Executive, Registered Agent, and Officer-Director at Public Telephone Company, a Florida-based provider of cloud-hosted business communications. Overseeing day-to-day executive operations, Darrell plays a central role in shaping the company's strategic and regulatory direction, including its compliance filings with the FCC and its ongoing commitment to STIR/SHAKEN implementation for secure, trustworthy VoIP services. His leadership supports the company's mission of providing the best value in business telecom worldwide, with a focus on scalable systems that serve everyone from small businesses to large enterprises. Darrell is dedicated to ensuring customers receive dependable, feature-rich communication tools backed by responsive 24/7 support, reinforcing Public Telephone Company's standing as a reliable partner for organizations across diverse industries.

President / Officer-Director
Nicholas Lopez serves as President and Officer-Director of Public Telephone Company, a privately held telecommunications provider offering cloud-hosted VoIP, PBX, and unified communications solutions to businesses nationwide and beyond. In his leadership capacity, Nicholas oversees the company's operational execution, ensuring clients receive the advanced features and quality of service expected from a world-class phone system, all built on flexible, scalable infrastructure. He is deeply involved in the company's continued growth, helping deliver custom integrations, equipment, and software solutions tailored to businesses of every size, from startups to organizations with over 100,000 users. Nicholas is committed to customer satisfaction, prioritizing simple installation, dependable support, and long-term value for every client Public Telephone Company serves.
Call termination, also referred to as voice termination, describes the routing of a telephone call from one telecommunications provider to the receiving endpoint or recipient network. In wholesale VoIP, termination providers take outbound call streams from business PBX systems or platforms and deliver them across public or private networks directly to the intended destination party.
Speak directly with our telecom engineers to find the ideal voice termination setup.
Official Federal Communications Commission provider registration.
Verified telecommunications reporting compliance ID registration.
Verified active Robocall Mitigation Database compliance.
Active state-registered profit corporation documentation number.
Reach out to our telecommunications specialists today to discuss your call termination volumes, technical configurations, and scalable cloud PBX requirements.
For immediate assistance, feel free to give us a direct call at 877-314-4080. You can also send us a quick email at support@ptcoa.com.
For immediate assistance, feel free to give us a direct call at 877-314-4080. You can also send us a quick email at support@ptcoa.com.