Communications tailored to you

Give your voice the platform it deserves with a powerful business VoIP service. Create a free account and connect from anywhere.

Already a customer? Sign into the OnSIP app or Admin Portal, or visit our Knowledgebase.

OnSIP Cloud VoIP
Patented Reliability

Patented system for
reliable uptime

Flexible Pricing-1

Flexible pricing based
on your needs

Great Support

Highest rated support
in the industry

Fits your calling style

Desk Phones Only

Desk Phones Only

We’re traditional and prefer to stick to physical desk phones.

Start Free
Desk Phones + Softphone Apps

Desk Phones + Softphone Apps

Our needs vary from day-to-day or person-to-person and need flexibility.

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Softphone Apps Only

Softphone Apps Only

We’re constantly on the move and prefer to use an app.

Start Free

How OnSIP works


Create a free account using Google/Slack credentials or an email address

Create a free account

Add members to your team and organize them into groups based on role

Add members to your team

Make a test call within minutes, 
using our desktop or mobile app

Make a test call

Set up additional phones & features risk-free or discuss your needs with an expert

Set up additional phones

What our customers say

Lucas Acosta, Foojee

Lucas Acosta

CEO, Foojee

I loved OnSIP's approach of offering an easy-to-use cloud service that works with any SIP phone. ... It’s clear they stay focused on what customers want.

Brian Frias, Masterfit Enterprises

Brian Frias

Technology Manager, Masterfit Enterprises

I congratulate the ones that do the hiring [at OnSIP] for finding a team of awesome and knowledgeable employees.

Erin Hendricks, Gauge Interactive

Erin Hendricks

Administrative Coordinator, Gauge Interactive

With every call, they’ve been patient, friendly, and incredibly helpful ... I would recommend OnSIP based on their customer service alone.

Anoush D’Orville, ADVisory

Anoush D’Orville

President, ADVisory

You have to search long and hard for a service that comes near to OnSIP in terms of friendly and responsive support, pricing, and reliability.