OnSIP Review

Chad Brooks
business.com writer
| Updated
Dec 05, 2019

OnSIP is a versatile cloud-hosted VoIP phone system that can be configured in hundreds of different ways. The system requires no equipment to install and allows you to choose the type of service – pay as you go or unlimited – that best suits your business's needs. It offers dozens of valuable features and integrates with a number of programs many organizations already use. 



The Best Business VoIP Phone Systems for 2020

The Verdict

OnSIP's pricing structure and variety of features make it a good business phone system for small businesses.

View all our recommendations for business phone systems on our best picks page. 

OnSIP Pricing 

OnSIP offers two price structures. Each plan differs in the included features and tools. 

  • The Per-Minute plan is $49.95 per month, plus 2.9 cents per inbound and outbound minute of calling. This plan includes five voicemail boxes, three auto attendants, three ring groups, a dial-by-name directory, five music on-hold channels and one call recording user. 
  • The Unlimited User plan is $18.95 per user, per month and includes unlimited domestic calling. This plan includes unlimited voicemail boxes, auto attendants, ring groups, dial-by-name directories, announcements, music on-hold channels, call recording users, call parking and busy lamp fields. In addition, each user receives a Polycom phone. 

With each plan, you can add any feature on an a la carte basis. Prices for the a la carte apps run from $2 for additional voicemail boxes to $50 for a conference suite. 

There are no contracts with OnSIP. You can cancel at any time without penalty. The company also offers a 30-day free trial. 

Ease of Use and Features 

OnSIP is a cloud-based business phone system that doesn't require any special equipment to install. The system runs on a high-speed internet connection. For optimal use, the company recommends 200Kbps of bandwidth per call. 

OnSIP uses redundant servers, routers, Tier 1 internet connections and upstream carriers to provide extremely reliable VoIP service. It also has two data centers – one in New York and one in California – to ensure the system is always up and running. 

The entire system can be administered online. From the online portal, you can, among other things, add phone numbers, users, phones, voicemail boxes. 

OnSIP offers more than 50 features and tools. Some of those features are included in certain plans, while others must be purchased on an a la carte basis. 

Among the available features are video calling, web phones, presence, business hour rules, voicemail, ring groups, dial-by-name directory, hold music, call recording, auto attendants, busy lamp fields and call parking. 

Features you can purchase on an a la carte basis include voicemail, an auto attendant, a ring group, a dial-by-name directory, call recording, a simple or enhanced queue and dashboard, announcement, enhanced hold music, Busy Lamp Field, inbound bridge, and call parking. 

OnSIP offers InstaCall, a tool that lets visitors to your website make video calls to your sales or support team straight from their browsers. In addition, the system integrates with many CRM solutions, including Highrise, Odoo and Zendesk. OnSIP also integrates with Google Chrome and Slack. 

The OnSIP mobile app is available for iOS and Android devices. From the app, you can make and receive calls from your business line, extension dial co-workers, transfer calls and make video calls. 

Conference Calling 

OnSIP offers conference calling with its phone system service. With the conference bridge feature (which costs extra), employees have the ability to hold their own conference call with up to 15 callers.

If your company is looking to host conference calls with more than a large number of attendees, you will need to use a conference calling service. These services allow for hundreds, sometimes thousands, of people on each call. You can find more information on these services on our conference call services best picks page

Customer Service 

You can contact OnSIP's support team by phone or email. The website is filled with a number of helpful training materials. You can find answers to everything from how to set up the system to how to use the mobile app.

OnSIP is an accredited member of the Better Business Bureau with an A+ rating. No complaints have been filed against the company in the past three years.

Editor's note: Looking for a business phone system? Click the Compare Quotes button below to have our sister site BuyerZone connect you with vendors that can help.




The Best Business VoIP Phone Systems for 2020

The Verdict

OnSIP's pricing structure and variety of features make it a good business phone system for small businesses.

Chad Brooks
Chad Brooks
Chad Brooks is a Chicago-based writer with more than 20 years of media experience. A graduate of Indiana University, Chad began his career with Business News Daily in 2011 as a freelance writer. In 2014, he joined the staff as a senior writer. Currently, Chad covers a wide range of B2B products and services, including business phone systems, time and attendance systems, payroll services, and conference call services. Before joining Business News Daily and business.com, Chad spent nearly a decade as a staff reporter for the Daily Herald in suburban Chicago. Chad's first book, "How to Start a Home-Based App Development Business," was published in 2014. He lives with his wife and daughter in the Chicago suburbs.