VoIP Business Phone Systems
Tierzero VoIP (Hosted PBX) is the all-in-one cloud phone system that grows with your business, with everything managed for you from setup to support.
- 100+ features included
- Desk phones, mobile app and Microsoft Teams
- Call recording and voicemail transcription
- Keep your existing phone numbers
Why Businesses Choose Business Phone Systems
'Hosted PBX’ is a telco term. Out in the real world, it’s called by many names such as business voice, business VoIP, business voice over Internet, broadband phone service, etc. Essentially, all those terms relate to the same underlying technology – which is Hosted PBX. It boasts more than 100 voice features such as auto attendant, conferencing, hunt groups, and music-on-hold.
Everything You Get with Business Phone Systems
Enterprise-grade capabilities backed by 24/7 US-based support.
Unlimited calling
Stay connected for longer – make all the calls you need, whenever you need them with unlimited calling.
Crystal clear calls
HD voice quality over your internet connection.
Save money monthly
Save money on your phone bill – not just this month, but every month moving forward.
Microsoft Teams Integrations
Seamlessly integrate your phone system with Microsoft Teams for unified communications and collaboration.
Auto-attendant
Auto-attendant ensures 24/7 coverage, so you'll never miss a call. Plus, you can easily customize your virtual receptionist.
Easy management
Our intuitive console makes it easy to manage complex phone systems from anywhere. Log into the console using a laptop, tablet or smart phone.
Mobile app
VoIP Phone System works on a mobile app. Now you have access to all the same features on your desk phone, through your cell phone, no matter where you are.
Call recording
Record calls automatically or with one click, for any user or the whole office. Recordings are stored securely in your portal, ready when you need to confirm an order, settle a dispute, or train a new hire.
Voicemail transcription
Every voicemail arrives as text in your email. Skim your messages between meetings and return the important calls first.
AI call insights (add-on)
Every recorded call gets a searchable transcript, a written summary, and automatic topic tags, so you can find what was said without replaying the audio. Available as an add-on.
Get Started in 3 Simple Steps
No complexity. No hassle. Just reliable service.
Tell Us Your Needs
Share your requirements and we'll design a custom solution for your business.
We Handle Setup
Our expert team manages installation and configuration—no disruption to your operations.
Enjoy 24/7 Support
Go live with confidence knowing our US-based team is always just a call away.
What Our Phone Customers Say
Real reviews from businesses we support.
“We are so fortunate to have a provider that immediately routes calls to a technician during business hours, and responds to after-hours tickets promptly. Thanks Rathany for always going the extra mile.”
“Tierzero is the BEST! Thank you for always being on top of any issues we have with our phones and for calling to make sure everything is working well after. We appreciate it!”
“Thank you so much Tierzero, All your tech support especially Rathany and Jason have been so patient in assisting setting up our company phones. I would recommend Tierzero to any company I know. Great job!!”
Common Questions About Business Phone Systems
Get answers to the most frequently asked questions. Still need help?
Call us at +1 (213) 784-1400Related Services
Ready to Get Started with Business Phone Systems?
Every phone system quote is built around your team. Tell us how many users and locations you have and our team will follow up with pricing.
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