Cloud Phone Systems and AI Call Answering for Small Business
DiaPBX cloud phone service and the DiaVoice AI receptionist — use them together or on their own. No contracts, no enterprise pricing.
Hear the AI receptionist live: 256-690-0090
Call right now and talk to a real DiaVoice AI receptionist. Available 24/7.
Need a full phone system?
DiaPBX gives you extensions, voicemail, IVR, ring groups, call recording, and pre-configured Grandstream phones. Add DiaVoice AI answering to any plan.
$20 per user/month, starting at
Learn more about DiaPBX →
Just want your calls answered?
DiaVoice AI answers naturally 24/7, understands what callers need, routes them to the right person, and transcribes voicemail. Self-serve signup — no equipment needed.
$15 per month, starting at
Learn more about DiaVoice AI →Why Businesses Switch
The Old Way
- ✗ Expensive on-prem hardware that breaks
- ✗ 2-3 year contracts with hidden fees
- ✗ Need an IT team just to add an extension
- ✗ Paying for features you don't use
- ✗ Landline bills that keep going up
The DiaPBX Way
- ✓ Cloud-hosted — no hardware to maintain
- ✓ Month-to-month, cancel anytime
- ✓ Self-service portal or we handle it for you
- ✓ Only pay for what you need
- ✓ Flat, predictable monthly pricing
Get Started in 3 Simple Steps
No complicated setup. No IT team required. Just simple business phone service.
Sign Up
Order your phone system online, or start DiaVoice AI self-serve. No contracts, no commitments.
We Configure
DiaVoice AI can be answering the same day. For phone systems, we set up your extensions, ship phones pre-configured, and port your numbers. Porting typically takes 7–10 business days, sometimes longer depending on your current carrier. Your existing service stays up the entire time.
Start Calling
Plug in your phones 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.
- 0
long-term contracts — cancel anytime — service runs to the end of your billing period.
- $0
setup fees — transparent, month-to-month pricing
- 24/7
AI-powered call handling available around the clock
- 2013
founded — over a decade of business communications experience
Why Businesses Choose DiaVoice
Easy setup, transparent month-to-month pricing, and real people on support — since 2013. Your team stays connected without complexity or inflated costs.
Easy Setup
DiaVoice AI is self-serve and can be answering the same day. Phone systems arrive pre-configured — plug in your phones and go. No IT team required.
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.
Also from DiaVoice
DiaCRM
Calls log themselves, contacts create themselves, hot leads surface automatically.
Learn more →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, from $34 per number/month
Learn more →DiaCRM — AI-powered CRM, $39 per account/month
Learn more →Reva — AI receptionist for barbershops, $49/month flat, number included
Learn more →All plans are month-to-month. No setup fees. Cancel anytime — service runs to the end of your billing period. Contact us for custom bundles.
Frequently
Asked Questions
It depends on what you're starting with. DiaVoice AI is self-serve — sign up and it can be answering your calls the same day. Full phone systems take longer: we configure your extensions, ship phones pre-configured, and port your existing numbers. Porting typically takes 7–10 business days, sometimes longer depending on your current carrier. Your existing service stays up the entire time.
For DiaVoice AI, no — it's fully cloud-based, so there's nothing to install. For DiaPBX, we ship certified Grandstream IP phones pre-configured. Plug them in and you're ready to call.
No. DiaVoice is month-to-month with no long-term commitments. Cancel anytime. Your service runs through the end of your current billing period. No cancellation fee, no early-termination charge, and we release your numbers so you can port them wherever you want.
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.
Ready to Upgrade Your Business Phone System?
Month-to-month plans with no contracts — order online or start self-serve.
Prefer to talk? Call 256-724-3100 or email [email protected]