Phone Systems to Power Your Business - VoIP, PBX, IP PBX

Digium®, Inc., created, owns and is the innovative force behind Asterisk, the most widely used open source telephony software in the world. Since its founding in 1999, Digium has become the leading provider of open source alternatives to overpriced proprietary communication systems. Since the initial release of Asterisk, it has been tested and refined by a community of more than 70,000 developers and integrators in 170 countries around the world.

What is Asterisk open source software?

Asterisk is an open source communications engine that transforms commodity computers into powerful communications servers. Asterisk powers communications applications like IP PBXs and VoIP gateways. Digium's telephony interface cards connect Asterisk® to the Public Switched Telephone Network (PSTN). Digium's Skype For Asterisk add-on connects Asterisk-based systems with over 500 million Skype users.

What is Switchvox Unified Communications or IP PBX?

Digium's line of Switchvox IP PBX systems make unified communications capabilities available to small and medium businesses. Switchvox provide businesses with a complete IP PBX that is easy to use, install and configure at 20% of the cost of traditional phone systems.

Switchvox includes all of the standard features of a business phone system plus unified communication capabilities like advanced voice messaging, instant messaging, fax, drag/drop call control, multi-party conference calling and advanced IVR. Features that would cost thousands to bolt onto a traditional phone system.

What's The Difference?

Customers frequently asked why Digium offers both the free Asterisk software engine and the commercial Switchvox phone system. The answer is simple: while both products fit into the larger universe of VoIP communication systems, they have very different purposes and are geared towards very different audiences.

Asterisk is built for telephony developers and solution providers. Switchvox is built for business. Asterisk is great if you want to create a custom telephony product or solution. If you need a powerful, easy to install, easy to maintain, reasonably priced phone system for up to 400 users, then check out Swichvox.

A better phone system for your business.

Together, Switchvox
and Digium make your business better.

A better phone for your Asterisk solution.

The only phone
designed specifically
for Asterisk.

A better VoIP Gateway with Asterisk inside.

Digium Gateways:
easy to use, powerful,
reliable - and simply better.

Business Phone Systems
Switchvox Unified Communications

Delivers enterprise class features small
and medium businesses can afford.

Asterisk Open Source Software
For the tech savvy, hands on community

Everything you need to know to get started. Downloads, support, telephony cards & guides.

Digium News

Latest Blog Posts

Latest @digium Tweets

Latest Press Releases

Digium Featured Videos

Introducing Digium IP Phones

Why Just Talk When You Can Communicate

Switchvox Mobility

Asterisk Tech Tips

Thousands of companies in more than 170 countries rely on Digium phone systems.

How do IP PBX phone systems save your business money?

What is Asterisk open source software?

What is Switchvox Unified Communications or IP PBX?

What's The Difference?

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A better phone system for your business.

Together, Switchvoxand Digium make your business better.

A better phone for your Asterisk solution.

The only phonedesigned specificallyfor Asterisk.

A better VoIP Gateway with Asterisk inside.

Digium Gateways: easy to use, powerful, reliable - and simply better.

Business Phone SystemsSwitchvox Unified Communications

Delivers enterprise class features smalland medium businesses can afford.

Asterisk Open Source SoftwareFor the tech savvy, hands on community

Everything you need to know to get started. Downloads, support, telephony cards & guides.

Digium News

Digium Featured Videos

Introducing Digium IP Phones

Why Just Talk When You Can Communicate

Switchvox Mobility

Asterisk Tech Tips

Thousands of companies in more than 170 countries rely on Digium phone systems.

What is Asterisk open source software?

What is Switchvox Unified Communications or IP PBX?

What's The Difference?

Together, Switchvox
and Digium make your business better.

The only phone
designed specifically
for Asterisk.

Digium Gateways:
easy to use, powerful,
reliable - and simply better.

Business Phone Systems
Switchvox Unified Communications

Delivers enterprise class features small
and medium businesses can afford.

Asterisk Open Source Software
For the tech savvy, hands on community