OnSIP has won its fifth consecutive Excellence in Customer Service Award

Hosted VoIP solutions built for your business

OnSIP’s business VoIP communications are designed to match how you work - giving you the phone service you need for the price you want. Get started today.

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Trusted by over 100,000 businesses

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You make the calls

Our fully customizable phone system is a breeze to set up. Easily add and remove users and features to suit your business needs. And only pay for what you need with month-to-month contracts.

OnSIP VoIP solution
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VoIP tech you can trust

We designed a system that’s so bulletproof, we patented it. Enjoy an always up, always on VoIP platform that's cloud-based and has high redundancy.

Our patented technology
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Hardware on the house

Make calls directly from the app, or use a desktop phone if you prefer. Best-in-class VoIP phones are included with the Unlimited plan (5 users minimum).

Free phone offer
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Hosted VoIP Service Features

  • Basics
  • Call center
  • Collaboration
  • Admin
Auto attendants

Auto Attendants allow you to set up a touchtone menu for your callers. For example, press 1 for the Sales, 2 for Support, etc.

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Groups

Group similar users together, such as Billing, and ring them all simultaneously from a menu option or extension.

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Dial-by-name directory

Create a company directory for callers to reach employees by spelling their names via touch tones.

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ACD queues

Automatically distribute calls to your sales or support representatives and provide a waiting room for overflow callers.

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911 emergency dialing

Grants users access to 911 services by defining a physical location for each user.

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Inbound bridge

Use a local, international or toll-free number from another provider with the hosted PBX features of OnSIP.

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Phone numbers

OnSIP has numbers available for purchase from many different area codes.

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Voicemail boxes

Setup a mailbox to manage voice messages and custom greetings.

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Voicemail-to-email

Allow callers to record messages when you're away and have those messages sent to your email as an audio file, or listen to them in our app.

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Announcements

Play a recorded message to your callers when they reach a menu or enter into a queue.

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Find me anywhere

Receive incoming calls on all of your OnSIP-registered devices, such as desk phones, our desktop app, and our mobile app.

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Business hour rules

Set up your company’s standard business hours free of charge using business hour rules.

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HD calling

A.K.A. as HD Voice, it's an expanded frequency range of audio signals, resulting in higher sound quality in phone calls.

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Busy lamp field

Enable the buttons on your desk phone to display the availability of other users, such as Busy or Ringing.

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Enhanced music on hold

Standard Music on Hold includes 3 genres. Upgrading to Enhanced unlocks Internet radio streams and uploaded audio files.

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HD conference suite

Host an audio call for up to 15 simultaneous callers at an extension of your choosing.

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Call blocking

Specify phone numbers that you do not want to receive calls from. OnSIP will automatically block any incoming calls from them!

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Call parking

Allow one user to put a call on hold from one device and another user to continue the conversation from any other device.

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Music on hold

Music on hold settings allow you to control the music your callers hear when they are placed on hold. 3 genres included: Jazz, Classical, and Elevator.

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Personal ring strategy

A user can set how long his/her ring time is and where to send a call if it's not answered (to a voicemail box, an external phone number, or any other destination in the OnSIP PBX).

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International dialing

Dial international phone numbers from your OnSIP account.

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Call management

Handle business calls with ease: Place them on hold, mute them, and transfer them to colleagues.

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Call recording

Automatically upload recordings of all calls to and from any user to any compatible cloud storage provider.

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Standard calling area

Our standard calling area extends to more than 20 countries and is included in the unlimited plan.

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Enhanced ACD queue

With our Enhanced ACD Queues, you can utilize a dashboard that displays a real-time queue overview along with historical reports.

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Call whisper, barge, monitor

Listen in on Enhanced Queue calls, speak directly to the call agent, or join the call with the agent and caller.

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sayso website chat

Give your website visitors the option to voice/video call your representatives directly through their browser.

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Enhanced queue call recording

Automatically upload recordings of all calls to and from any agent in a queue to any compatible cloud storage provider.

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Queue reporting

Access and download historical reports on queue call stats and agent performance. You can also have them emailed out on a periodic basis.

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HubSpot integration

Display a caller's HubSpot record in the OnSIP app, with a link to open the full record in a new tab.

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Zendesk integration

When an agent answers a call, a Zendesk ticket is automatically created, assigned to the agent, and populated with basic call info.

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OnSIP assistant for Google Chrome

Click on phone numbers in your Chrome browser window to dial them automatically.

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Free on-network calling

Extension-to-extension dial, + dial SIP addresses, all for free on your OnSIP account.

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OnSIP desktop app

OnSIP's softphone app, available for Mac, Windows, and Linux computers.

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OnSIP web app

OnSIP's softphone app, available in Chrome, Firefox, or Opera browsers.

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OnSIP mobile app

OnSIP's softphone app, available for iOS and Android devices.

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Video calling

In the OnSIP web, desktop, and mobile apps, make and receive video calls to users who also have video-enabled devices.

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5-way video conferencing

In the OnSIP web and desktop apps, host and join video conference calls with internal collagues as well as external participants (up to 5 people on the call).

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Team page

A visual directory of your staff, complete with voice and video call buttons and availability status icons.

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Professional call links

A dedicated webpage for an individual staff member, complete with voice and video call buttons and an availability status icon.

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Simulring phones

Receive incoming calls on all of your OnSIP-registered devices, such as desk phones, our desktop app, and our mobile app.

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External phone numbers

Add phone numbers from outside of your OnSIP account, to be used for extension dialing, failover destinations, and other call routing situations.

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Extension dialing (from anywhere)

Dial extensions in your OnSIP account from any OnSIP-registered phone.

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Porting

Have an existing number you'd like to keep? OnSIP will assist with porting that number over from your previous provider.

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User-friendly admin portal

Administer your OnSIP account with setup wizards, edit features in real-time, manage payment + contact information, and download invoices, all in our web app.

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Multi-location support

Add users from different locations. Also, up to 10 registrations/user allowed.

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SIP domain hosting

Use your own domain name with your OnSIP Hosted PBX.

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Easy provisioning (boot server)

Automatically provision supported VoIP phones.

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Call detail records

Access and download your account's call detail records for user-specified time periods.

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Reporting dashboard

Account overview that provides you with key data, monthly plan information, and access to creating support tickets in the legacy admin portal (coming soon to our web app admin portal!).

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Network status updates

View our Network status page for up-to-date network alerts.

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Unlimited access to U.S. support

Award-winning, tenured, and U.S.-based Client Engagement Team provides support via calls, support tickets, chat, and emails.

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Real-time changes

Moves, adds, and changes to features in your OnSIP account occur in real-time.

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Extensive knowledgebase

Detailed articles provide step-by-step instructions and video walkthroughs of setting up OnSIP features.

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Developer APIs

Add real-time communications to your app in no time. Leverage the OnSIP platform, by the creators of sip.js.

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People love us!

Gartner Digital Markets has awarded OnSIP its exclusive Best Customer Support badge, based on high marks and strong reviews left by OnSIP customers.

Customer service award
Trustpilot

Read more about OnSIP

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Gartner Digital Markets Awards OnSIP a Best Customer Support, 2023, Badge!

OnSIP receives a Gartner Digital Markets Best Badge, which highlights highest-rated products and services based on verified user reviews.

2023 award win
What is a PBX Phone System

What Is a PBX Phone System? Definition and Benefits for Your Business

PBX stands for Private Branch Exchange. Learn about the different types of PBX systems and which one is right for your business.

PBX 101
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Does Do Not Disturb Send Calls to Voicemail?

Where does a call go if your smartphone, VoIP phone, or softphone is set to Do Not Disturb? Read on for the answers!

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