Robust, Enterprise Phone System

All of the features of a proprietary business phone system without the hassle. With OnSIP, there's no equipment to manage, and it's easy to set up. Want to try? Sign up for a 30 Day Free Trial and take OnSIP for a spin.

Boundless Phones

Phone at work, phone at home, phone on your mobile. No problem and NO CHARGE! More »

Click To Call

With a Firefox/Chrome plugin, or within my.OnSIP, click on a phone number and RRING! More »

Company Chat Plus

Click to call your coworkers, drag and drop calls, and listen to voicemails – all in one place. More »

Crystal Clear Calls and Conferencing

High Definition Sound Quality that Blows Away Traditional Phone Service More »

Find Me Anywhere

Manage your settings to ring you 5 times, then send the calls to any number – mobile, home, etc. More »

Get Leads Now

Get your website visitors on the phone instantly with a click to call plugin. More »

HD Music on Hold, Unplugged

On Hold never sounded so good. Listen to SHOUTcast and Icecast streamed More »

OnSIP Is Mobile

Take your business phone system with you and stay connected anytime, anywhere. More »

Outlook Integration

Seamlessly integrate your OnSIP phone system with Microsoft Outlook. More »

Video Conferencing

HD Voice is fantastic, but sometimes you need to talk face to face. Literally. More »

Voicemail to Email

Never call your voicemail again. Listen to .wav files, or read your messages, right in your email inbox. More »

Web 2.0 Admin Controls

Taking control of your business phone system was never this easy. More »