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Secure VoIP

Military grade encryption for your audio and video calls with:

  • TLS
  • SRTP
  • ZRTP
    (mobile and zoiper desktop beta)

Cross Platform

Native code on all major platforms

  • Windows
  • Linux
  • Mac

High Quality Softphone

State of the art jitter buffers, clock skew compensation and delay reduction.

Increased Productivity

  • CRM integration
  • Address book integration (Windows and macOS, Outlook)
  • Click-to-dial web browsers plugin

Callcenter functionality

  • Auto-answer
  • Provisioning
  • Call recording
  • CRM integration
  • Linux
  • Mac

Stop eavesdropping on your calls, encrypt your VoIP calls!

Don't like it when people eavesdrop on your conversations? Neither do we, that's why we offer free encryption for all your text, voice and video communications with TLS/SRTP and ZRTP.

Zoiper comes with free, military grade end to end encryption for voice and video. (if your server or service provider supports it).

Zoiper supports these standardized encryption methods:

  • TLS
  • SRTP
  • ZRTP (mobile and zoiper desktop beta)

All your contacts
in one interface!

Our VoIP softphone will look everywhere for your contacts and will display them in a combined list for easy access. Outlook, windows/mac, LDAP, XMPP, XCAP, Android, iOS. You name it, we got it and we will lookup incoming calls as well so you know who calls before you answer.

Zoiper can load and search your contacts
on the fly from these places:

  • Outlook 2007, 2010 and 2013 (32 and 64 bit versions)
  • Windows contacts
  • Mac address book
  • External LDAP server
  • XMPP roster
  • XCAP server
  • iOS contact list
  • Android contact list

You can also import contacts from:

  • CSV files
  • LDAP

Bring your own device

Ignore the buzzword above, it just means we do Audio, Video, Fax, Presence and Instant Messaging. All from one intuitive interface.

Got a PC, smartphone or tablet?
Zoiper works on all popular platforms!

Zoiper works on:

  • Windows
  • Mac
  • Linux
  • Android
  • iOS

Want to receive news when we announce Zoiper for other platforms?

Unified VoIP
communications

Zoiper runs on a multitude of different platforms. No matter if you are using macOS, Linux or Windows. iOS, Android or a browser, we’ve got a solution for all (and we are working hard on addition even more).

With Zoiper you can fax, check your friends availability, chat and make voice and video calls.

Improve the efficiency of your communications

Click-2-dial CRM integration, number recognition, Outlook and Thunderbird plugins.

Call directly from your mail client or browser with our email plugins and browser extensions.

Supported applications:

  • Outlook 2007, 2010, 2013 (32 and 64 bit) on MS Windows
  • Thunderbird
  • Internet Explorer, Firefox, Chrome, Safari
  • Goldmine CRM
  • Microsoft Phone Dialer
  • Lotus Organizer
  • Maximizer CRM

Small footprint

Zoiper does not rely on Java, Flash or .NET but is written in oldsk00l C/C++ and Assembly. This results in low memory and CPU usage and makes for quality audio even on older hardware.

Finding all this VoIP stuff a tad complicated?

Use our automatic provisioning options and restrict parts of the interface to make sure all your users are at ease.

Desktop versions:

  • Pick any of our Skins that suits your needs the most, or change an existing one or make your own.
  • Use remote provisioning and installer service to automate the deployment of preconfigured phones.
  • Lock down some of the functionality to reduce the internal support costs.

Mobile versions:

  • Use our built-in QR code scanner to provide your employees, collegues or customers with a fool proof way to configure our softphone on iOS or android.
  • All they need to do is scan a QR Code that you generated on our website and they will be ready to make their first calls within seconds.

Free or cheap calls with any VoIP provider!

Zoiper is compatible with most VoIP service providers and PBXs. Enjoy free calls between Zoiper users or combine our dialers with your favorite provider for the cheapest calls.

Combine multiple providers for the cheapest route to every destination.

Want to use Zoiper in your company or call center?

Hook up your remote workers or call center agents to your office PBX.

Our softphones work fine with: Asterisk, Freeswitch, Cisco CallManager, 3CX, elastix and most other modern SIP based PBXs.

Don't want to set it up yourself? Sign up with one of the many compatible hosted PBX providers.