Simple Business Phone Systems with Built-In AI
Modern cloud PBX, AI receptionists, and secure eFax — without enterprise pricing or complexity.
Hear Our AI Receptionist Live
Call our demo line right now and talk to a real DiaVoice AI receptionist.
256-690-0090Available 24/7 — go ahead, give it a try.
Modern Business Communications — Simplified
Get Started in 3 Simple Steps
No complicated setup. No IT team required. Just simple business phone service.
Sign Up
Tell us what you need — phone system, AI receptionist, eFax, or all three. No contracts, no commitments.
We Configure
Our team sets up your system, configures your extensions, ports your numbers, and ships your phones — ready to go.
Start Calling
Plug in your phones or open DiaVoice Go and you're live. Real human support is always a phone call away.
Reliable Business Communications You Can Trust
We build business communication tools specifically for growing companies — simple, powerful, and transparent.
DiaVoice made switching from our old phone system painless. The AI receptionist handles after-hours calls perfectly, and the eFax has been rock solid for our medical office. Best part — real people answer when we need support.
Small Business OwnerDiaVoice Customer
- 99.9%
uptime — enterprise-grade reliability you can depend on
- 200+
businesses served across multiple industries nationwide
- 24/7
AI-powered call handling available around the clock
- 2013
founded — over a decade of business communications experience
Big-Company Features Without Big-Company Headaches
DiaVoice delivers modern cloud phone systems designed for growing businesses that want simplicity, reliability, and real support. Unlike large providers, we focus on easy setup, transparent service, and personal customer care — so your team can stay connected without complexity or inflated costs.
Easy Setup
Get your business phone system running in minutes, not days. No complicated deployments, no IT team required. Just plug in and go.
Flexible Solutions
Solutions that grow with your business. Add extensions, numbers, and features as you need them — scale up or down with no penalties.
Real Human Support
Fast, knowledgeable support from real people — not overseas call centers. When you need help, you get a person who knows your system.
No Long-Term Contracts
Month-to-month service with no commitments. We earn your business every month, not by locking you into multi-year agreements.
Transparent Pricing
No hidden fees. No surprise charges. No long-term contracts.
DiaPBX
Cloud PBX
Starting at
$20
per user/month
- ✓ Extensions & Voicemail
- ✓ IVR & Ring Groups
- ✓ Call Recording
- ✓ Grandstream Phones
DiaVoice AI
AI Receptionist
$15/mo
starting at
- ✓ 24/7 AI Call Handling
- ✓ Natural Language
- ✓ Voicemail Transcription
- ✓ Self-Serve Signup
DiaFax
Secure eFax
Starting at
$34
per number/month
- ✓ HIPAA Compliant
- ✓ Send & Receive
- ✓ Email Notifications
- ✓ Digital Records
DiaVoice Go
Mobile Softphone
Included
with DiaPBX
- ✓ Any Device
- ✓ No App Store Needed
- ✓ Crystal-Clear Audio
- ✓ Encrypted Calls
All plans are month-to-month. No setup fees. Cancel anytime. Contact us for custom bundles.
Frequently
Asked Questions
Most businesses are up and running within minutes. We handle the provisioning on our end — you just plug in your phones or download the DiaVoice Go app and start making calls.
No. DiaVoice works with certified Grandstream IP phones, and our DiaVoice Go app lets you make and receive calls from any desktop or Android device using your business number. No special hardware required.
No. DiaVoice is month-to-month with no long-term commitments. You can cancel anytime through your account dashboard.
DiaVoice AI is our AI-powered virtual receptionist that answers calls naturally, understands what callers need, and routes them to the right person or department — 24 hours a day, 7 days a week.
Yes. DiaFax uses encrypted transmission and secure digital storage, making it suitable for healthcare, legal, and other regulated industries that require HIPAA-compliant faxing.
DiaVoice serves businesses nationwide. Our cloud-based system works anywhere you have an internet connection.
Meet Claudia — Your AI Guide
Dia is our slightly nerdy, always helpful AI guide. She'll walk you through setup, show you hidden features, and narrate our how-to videos. She wears glasses, she's a little silly, and she knows telecom better than anyone.
Say hi to Claudia →What Our Customers Say
DiaVoice cut our phone bill in half and the setup took less than a day. No contracts was the deciding factor.
— Small Business Owner
The AI receptionist pays for itself. We stopped missing after-hours calls and our leads went up 30%.
— Real Estate Agent
Switching from our old fax machine to DiaFax was the easiest tech change we have ever made.
— Medical Office Manager
Ready to Upgrade Your Business Phone System?
Get started in minutes with a simple signup — NO CONTRACTS, no pressure.
Or email us at [email protected]