powered by

andSequentex, Inc.


POTS line replacement solution.

Dependable Connectivity For
Critical Applications

Replace expensive, outdated, copper and outdated analog infrastructure with LTE.

Reliable Connectivity

Guarantees 99.9% uptime for mission-critical applications.

  • 24-hour battery backup protects service, even during power outages
  • Standard and dual SIM failover options for backup
  • Remote monitoring

Industry Compliance

Supporting analog line replacements and their applications. All in one box.

  • NFPA 72
  • ASME A17.1B
  • UL 62368-1
  • UL 2054
  • UL 864
  • UN 38.3
  • Payment Card Industry (PCI)
  • California Fire Marshal
  • Federal Communications Commission

LTE POTS Replacement + Internet

Voice Over Cable

VoC has established itself as a viable and convenient option for business users by providing unparalleled ease of use, broad compatibility, and adherence to regulatory standards.

EPIK POTS Replacement

Granite EPIK is the ultimate choice for a dependable POTS replacement solution, ensuring uninterrupted communication, compliance with industry standards, and future-proofing your organization against traditional POTS limitations.

Are you still wasting money on antiquated POTS lines attached to your Elevator phones and lines Building entry phones Security alarm panels and lines Fire alarm panels and lines Fax machines Public safety phones Point Of Sale (POS) systems and lines Essential phone lines


EPIK Leads the Way

EPIK stands out by offering more than cost-efficiency; it is a cutting-edge MFVN (Managed Facilities-based Voice Network) solution. Its smart integration of Softswitch technology, Ethernet, FSX, and LTE ensures analog devices can smoothly interface with the PSTN. EPIK surpasses typical SIP or wireless options by including essential fire and safety systems, allowing for seamless integration into current setups.

Realize the Full Power of Wireless Solutions

Fast, Easy Transition

Installs in a few weeks or less with minimal disruption. Elevates business continuity, and maximizes operational efficiency.

Predictable Costs

Fixed, low monthly cost. A single, consolidated bill for multi-location business and $0 CapEx options.

Flexible and Scalable

Accommodates the growth in demand without the need for rewiring or infrastructure upgrades.

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Why Choose Sequentex powered by Granite for Your POTS Replacement Needs?

Realtime Notifications

If a device is not receiving power or encounters connection issues, notifications are sent as Grantie’s support team works on a resolution.

Code Compliant

Grantie’s solutions are NFPA 72 signaling code certified, comply to UL864, and is Fire Marshal-approved in all 50 states.

Better Customer Experience

Voice clarity is better than analog for better customer interactions. For you, we ensure on time installations with professional project management.

Frequently Asked Questions

POTS lines are the old copper telephone lines that have provided residential and business telephone service since Alexander Graham Bell invented the telephone in 1876.

POTS (Plain Old Telephone Service) is an acronym used by telecommunication carriers to refer to these traditional telephone lines. POTS lines are used for more than just regular voice calls. They also service analog devices like security alarms, fire alarm panels, FAX lines, building and gate entry systems, public safety emergency phones on campuses, elevator lines, point-of-sale systems and more.

The short answer is that copper telephone lines are becoming too expensive to maintain. Telecommunication companies are migrating to newer technologies, like VoIP solutions and fiber-optic cables. The Federal Communications Commission (FCC) recognized this in an August 2019 FCC order that removed obligations for certain local telephone companies to offer legacy services at regulated rates.

There is no magical date when all POTS lines will vanish and traditional landlines will become obsolete. AT&T did announce a plan in March 2022 to reduce its copper footprint by 50 percent by 2025. AT&T has stated that they will NOT be renewing POTS Line Contracts after 2024.

The bottom line is that POTS lines, which form the Public Switched Telephone Network (PSTN), are headed toward an inevitable sunset and becoming more expensive as carriers struggle to continue providing service to an ever-shrinking subscriber base. All of this is driving both residential and business customers to switch to alternative phone options.

It depends on where you live, but chances are good that you can still find telecom providers who offer you traditional landline phone service over copper POTS lines. But be prepared for the high costs for both installation and monthly service. Also keep in mind that the aging infrastructure of analog lines make them difficult to maintain, so service may become less reliable over time.

Contact Sequentex today and we will help you find POTS Line alternatives.

With Voice Over Cable, you can say goodbye to the limitations of traditional telephony systems. Voice over Cable provides a cutting-edge solution by utilizing an eMTA (embedded multimedia terminal adapter) with an onsite cable connection. This innovative approach allows analog devices to seamlessly connect to a cable connection, providing a superior alternative to traditional POTS.

When Communications Are Critical

LTE for POTS replacement is the solution.

Why businesses are moving away from POTS (Plain Old Telephone Service) technology. An update on analog phone replacement.

Read More

Get rid of my expensive POTS Lines!