DT200A · LTE/VoLTE Desk Phone

DT200A Cellular-first desk voice.

Smart VoLTE IP desk phone for cellular-first office voice and operator deployments.

LTESIM-ready voice
VoLTECarrier approved
DeskOffice deployment
Carrier Approved · T-Mobile · AT&T · Verizon*
DT200 series VoLTE desk phone
DT200A deployment scenario
Carrier Approved T-Mobile · AT&T · Verizon*
Why Choose Frontier IoT

Building the next generation of business voice systems

From LTE to 5G, we're building solutions that adapt to changing networks, evolving workplaces, and the future of enterprise communication.

Trusted by Leading Operators

Our products are approved and certified by major carriers including T-Mobile, AT&T, and Verizon*.

Seamless Platform Compatibility

Optimized for RingCentral, Nextiva, and other UCaaS providers to deliver smooth enterprise communication.

Mobile-First Voice

Built-in LTE/VoLTE support brings mobile numbers directly to the desk, no Ethernet required.

Built to Evolve with You

Forward compatibility ensures smooth adoption of future network technologies and next-generation voice solutions.

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Major Carrier Certifications T-Mobile · AT&T · Verizon*
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Industry & UCaaS Partners Operators · Platforms · Chipset
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Product Lines DT200A · DT200D · PTT200
LTE → 5G
Future-Ready Voice Architecture Forward-compatible firmware
Frontier IoT solutions in action
Solutions in Action

Reliable LTE/VoLTE voice for every business

Frontier IoT brings reliable LTE/VoLTE desk phones and voice solutions to businesses of every size — from global operators to local shops. Here's how our technology powers communication in the real world.

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The Frontier Advantage
The Frontier Advantage

Cellular innovation meets enterprise readiness

We combine cellular innovation, enterprise readiness, and global carrier partnerships to deliver communication solutions that stand apart.

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Products

Enterprise VoLTE/LTE IP desk phones

Three purpose-built devices for office voice, enterprise UCaaS, and field push-to-talk — built for operators and modern workplaces.

Support

How We Support You

Frontier IoT goes beyond hardware — we provide the services and support that make our solutions easy to deploy, manage, and grow with your business.

Easy Deployment

Plug-and-play LTE/VoLTE connectivity means no complicated wiring. Just insert a SIM and your desk phone is ready to work.

Reliable Support

We back our products with training, documentation, and responsive service to ensure smooth adoption and customer success.

Lifecycle Updates

Regular firmware, security patches, and remote management tools keep your devices secure and up to date — with minimal effort on your side.

Ecosystem

Chosen by Industry Leaders

We work hand-in-hand with operators, UCaaS providers, and enterprises to deliver innovative, future-proof voice solutions.

T-Mobile
Verizon
AT&T
Nextiva
RingCentral
Zoom
Qualcomm
Quectel
Eagle Wireless

Ready to Modernize Your Business Voice System?

Let's build the future of business communication together.

From enterprise offices to remote sites, Frontier IoT delivers seamless cellular communication that's easy to deploy today and designed to grow with tomorrow's needs.