One Net Business administration

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Downloading and opening One Net Business applications


Webex app replaces the One Net app

One Net Business users can use Webex app instead of One Net app.

Learn more about how to get started with Webex app >

Webex app is not supported on Linux®.

To use some One Net Business applications, you must install them on your computer or other device. For each of these installable applications, download and run an installation package on your device.

Other One Net Business applications are web applications. If you have login credentials, you can open any of these applications by entering an address in a suitable web browser.

Before you download or open an application, make sure your device meets the hardware and software requirements.

System requirements for One Net Business applications >

Supported languages

One Net Manager supports a German interface only. All the other applications support German and English.


If any of the links below fail to download or open the application, copy the link's address and paste it directly into your browser.

Downloading installable applications

Webex app

Download the Webex app >

Other applications

Go Integrator


Download >

One Net TAPI


Download >

One Net E-fax print drivers (Windows and Mac®)


Download >

When you have logged in, select Printer Drivers. Then select a print driver and run the installation wizard.

Opening web applications



One Net Manager

Open One Net Manager >

One Net E-fax

Open in One Net Manager >

When you have logged in, select Anrufdienste > Mailbox. Then, from Faxnachrichten, select E-fax-Portal.

One Net Call Centre

Open in One Net Manager >

One Net Receptionist

Open in One Net Manager >

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